Preventive visit that generated a bill

The task: Write a member-facing message, seven sentences or fewer, explaining why a "free" annual physical produced a bill.

Key facts:
- Line 1: preventive annual wellness visit, in-network, allowed 220.00, plan paid 220.00, member owes 0.00.
- Line 2: E&M of a new complaint (knee pain) addressed at the same visit, diagnostic not preventive, allowed 145.00, deductible not met, member owes 145.00.
- Claim processed correctly.
- Member can ask provider to review/correct coding; plan will reprocess corrected claim.

Constraints:
- Seven sentences or fewer.
- Eighth-grade reading level.
- Define terms of art first time used (e.g., "allowed amount," "deductible," "preventive" vs "diagnostic").
- Use exact dollar figures: 220.00, 145.00. But wait — money reporting rule says plain numbers with two decimals and no currency symbol. That's for dollar amounts reported... The rule says "Report every dollar amount as a plain number with two decimal places and no currency symbol." So in the message I should write 145.00 without $? That seems odd for member-facing text, but the ground rules say so. "Report every dollar amount as a plain number with two decimal places and no currency symbol, thousands separator, or trailing text: 1234.50, not $1,234.50 and not '1234.5 dollars'." So use 220.00 and 145.00 as plain numbers.

- No salutation/sign-off unless asked for a letter. This is a message, so no "Dear member" needed? The required key is "message" — member-facing text itself. No salutation/sign-off unless item asks for a letter. It doesn't, so skip.

- Include the route to resolution: ask provider to review and correct coding; plan will reprocess corrected claim.

- Define terms of art: deductible ("the amount you pay for covered services before your plan starts to share the cost"), preventive vs diagnostic. Allowed amount maybe.

Draft (count sentences):

1. "Your annual wellness visit was covered in full: the plan paid the entire allowed amount of 220.00, so you owe nothing for that part of the visit."
2. "The bill is for a separate service from the same visit — when you mentioned knee pain, your doctor evaluated and treated it, and that work was billed as a diagnostic (problem-focused) service, which is different from preventive care."
3. "Preventive services like the wellness visit are covered at 100 percent, but diagnostic services are subject to your plan's normal cost sharing."
4. "Because you have not yet met your deductible — the amount you pay out of pocket for covered services before the plan begins to share the cost — you owe the full allowed amount of 145.00 for that service."
5. "The claim was processed correctly under your plan."
6. "If you believe the knee pain was not addressed as a separate service, you can ask your provider's office to review the coding and send us a corrected claim, and we will reprocess it."

That's 6 sentences. Good, under seven.

Define "allowed amount"? "Allowed amount" is a term of art per glossary. Could define briefly: "the contracted rate the plan recognizes." Hmm, sentence budget is tight. Let me weave in.

Revise:

S1: "Your annual wellness visit was covered in full — the plan paid the entire 220.00 allowed amount (the contracted rate we recognize for a service), and you owe 0.00 for that part of the visit."

Hmm, that's clunky. Eighth-grade level, keep simpler.

S1: "Your annual wellness visit was covered in full, and you owe nothing for it — we paid the entire allowed amount of 220.00."
S2: "The 145.00 charge is for a separate service at the same visit: when you raised your knee pain, your doctor evaluated and treated it, and that was billed as a diagnostic service, meaning care for a specific problem rather than a preventive checkup."
S3: "Preventive services are covered at 100 percent, but diagnostic services share in your plan's normal costs."
S4: "Because your deductible — the amount you pay for covered services each year before the plan starts to share the cost — has not been met, you owe the full 145.00."
S5: "Your claim was processed correctly under your plan."
S6: "If you feel the knee pain was not treated as a separate service, you can ask your doctor's office to review the coding and submit a corrected claim, and we will reprocess it."

6 sentences. Good.

Should I mention "allowed amount" definition? The glossary defines it as a term of art. The instructions: "Define any term of art the first time it appears." Terms used: allowed amount, deductible, preventive, diagnostic. I should define allowed amount briefly. Could do in S1: "we paid the entire allowed amount of 220.00 (the contracted rate we have agreed to pay for the visit)". Parenthetical works at eighth-grade level.

Revised S1: "Your annual wellness visit was covered in full: we paid the entire allowed amount of 220.00 (the contracted rate your plan recognizes for that service), and you owe nothing for it."

S2 define diagnostic/preventive: "The 145.00 charge comes from a separate service at the same visit — when you brought up your knee pain, your doctor evaluated and treated it, and that work is billed as diagnostic care (care for a specific problem), which is different from preventive care (routine checkups and screening)."

Hmm getting long. Keep it readable.

S3: "Preventive services are covered at 100 percent, but diagnostic services are subject to your plan's normal cost sharing."

S4: "Because your deductible — the amount you pay for covered services before your plan starts to share the cost — has not yet been met, you owe the full 145.00."

S5: "Your claim was processed correctly under your plan's rules."

S6: "If you believe the knee pain was not separately addressed at that visit, you can ask your doctor's office to review the coding and send us a corrected claim, and we will reprocess it."

Six sentences, all facts used, resolution path included, no promised outcome beyond reprocessing (which the facts support). Money formatted as 220.00 and 145.00 without symbols per ground rules.

Do I owe 0.00 mention? S1 says "owe nothing for it" — could use 0.00. "Use the exact dollar figures... do not introduce a figure that is not in the facts." Saying "nothing" is fine. Could write "you owe 0.00 for it." Fine either way. I'll write "you owe 0.00 for it."

Output JSON with key "message". Only required key is "message". Keep terse — just that key.

Escape properly. Avoid em dashes? Fine in JSON. Keep plain.

Final message text:

"Your annual wellness visit was covered in full: we paid the entire allowed amount of 220.00 (the contracted rate your plan recognizes for the service), and you owe 0.00 for it. The 145.00 charge is for a separate service at the same visit — when you brought up knee pain, your doctor evaluated and treated it, and that work was billed as diagnostic care, meaning care for a specific problem rather than a routine preventive checkup. Preventive services are covered at 100 percent, but diagnostic services are subject to your plan's normal cost sharing. Because your deductible, the amount you pay for covered services before your plan begins to share the cost, has not yet been met, you owe the full 145.00 for that service. Your claim was processed correctly under your plan's rules. If you believe the knee pain was not separately addressed at the visit, you can ask your doctor's office to review the coding and send us a corrected claim, and we will reprocess it."

Count: 6 sentences. Good.

The task: write a member-facing message explaining why a "free" annual physical produced a bill. Seven sentences or fewer. Eighth-grade reading level. Define terms of art. Use exact dollar figures and dates. Include the route to resolution (ask provider to review coding, plan will reprocess).

Key facts:
- Annual wellness visit: allowed 220.00, plan paid 220.00, member owes 0.00.
- Second line: evaluation and management of knee pain (a new complaint) at same visit — diagnostic, not preventive. Allowed 145.00. Deductible not met, so member owes 145.00.
- Plan position: claim processed correctly. Preventive covered at 100%; separately identifiable diagnostic service subject to normal cost share.
- Resolution: if member believes knee pain was not separately addressed, ask provider to review/correct coding; plan will reprocess corrected claim.

I need to define "deductible" — the amount you pay for covered services before the plan starts to pay. Maybe define "allowed amount" too, but keep it simple. Seven sentences max.

Draft:

"Your annual wellness visit was covered in full: the plan paid the entire 220.00 allowed amount, and you owe nothing for that part of the visit. During the same appointment, your doctor also evaluated and treated your knee pain. That service is diagnostic, not preventive, so it is billed separately and subject to your plan's normal cost sharing. Because you have not yet met your deductible — the amount you pay for covered services each year before the plan begins to pay — you owe the full allowed amount of 145.00 for that service. Your claim was processed correctly under your plan. If you believe the knee pain was not separately addressed at the visit, you can ask your provider's office to review the coding and send a corrected claim, and we will reprocess it."

Count sentences: 6. Good.

Terms of art: "deductible" defined. "Allowed amount" — should I define? It says define any term of art the first time it appears. "Allowed amount" is a term of art. I could say "the full 145.00 allowed amount (the rate your plan recognizes for this service)". Let me work that in.

Revised:

Sentence 1: Your annual wellness visit was covered in full — the plan paid the entire 220.00 allowed amount, and you owe 0.00 for that part of your visit.
Sentence 2: During the same appointment, your doctor also evaluated and treated your knee pain, which is a diagnostic service rather than a preventive one.
Sentence 3: Diagnostic services are subject to your plan's normal cost sharing, and because you have not yet met your deductible — the amount you pay out of pocket for covered services before the plan starts to pay — you owe the full 145.00 allowed amount (the rate the plan recognizes for the service) for that part of the visit.
Sentence 4: Your claim was processed correctly under your plan's rules.
Sentence 5: If you believe the knee pain was not addressed as a separate service, you may ask your provider's office to review the coding and submit a corrected claim.
Sentence 6: If we receive a corrected claim, we will reprocess it.

That's 6 sentences. Good, under 7.

Dollar figures: 220.00, 0.00, 145.00 — exact, no rounding. The output contract says money reported as plain numbers with two decimals and no currency symbol. But this is member-facing prose... The ground rule says "Report every dollar amount as a plain number with two decimal places and no currency symbol." That applies harness-wide, so in the message I should write 220.00 not $220.00. Hmm — "Use the exact dollar figures and dates supplied; do not round them." The ground rule #4 says no currency symbol. So write "220.00" plainly. That may read oddly to a member but the harness rule governs. I'll follow it: no $ signs.

No headers, no salutation, no bullets. Just the message string.

Final message:

"Your annual wellness visit was covered in full: the plan paid the entire 220.00 allowed amount, and you owe 0.00 for that part of the visit. During the same appointment, your doctor also evaluated and treated your knee pain, which is a diagnostic service, not a preventive one. Diagnostic services are subject to your plan's normal cost sharing, and because you have not yet met your deductible (the amount you pay for covered services each year before the plan begins to pay), you owe the full 145.00 allowed amount, which is the rate your plan recognizes for that service. Your claim was processed correctly under your plan's rules. If you believe the knee pain was not addressed as a separate service at this visit, you can ask your provider's office to review the coding and submit a corrected claim. If we receive a corrected claim, we will reprocess it."

Six sentences. Good.

The task: write a member-facing message explaining why a "free" annual physical produced a bill. Seven sentences or fewer. Eighth-grade reading level. Define terms of art. Use exact dollar figures and dates supplied. Include route to resolution (ask provider to review coding, plan will reprocess corrected claim).

Key facts:
- Annual wellness visit: allowed 220.00, plan paid 220.00, member owes 0.00.
- E&M for knee pain evaluated and treated at same visit: allowed 145.00, diagnostic not preventive, deductible not met, member owes 145.00.
- Plan position: processed correctly.
- Resolution: if member believes knee pain wasn't separately addressed, ask provider to review/correct coding; plan will reprocess.

Output: JSON with single key "message". Seven sentences max. No salutation/sign-off.

Draft:

"Your annual wellness visit was covered in full: the plan paid the entire allowed amount of 220.00, and you owe 0.00 for that service. During the same visit, your doctor also evaluated and treated your knee pain. That part of the visit is billed as a separate diagnostic service, which means it is not part of the free preventive exam and is subject to your plan's normal cost sharing. Because you have not yet met your deductible (the amount you pay each year before the plan starts sharing costs), you owe the full allowed amount of 145.00 for that service. Your claim was processed correctly under your plan. If you believe the knee pain was not evaluated or treated separately at this visit, you can ask your doctor's office to review the coding and send us a corrected claim, and we will reprocess it."

That's 6 sentences. Good. Dollar figures: 220.00, 0.00, 145.00. No currency symbols per ground rule? Wait — rule 4 says "Report every dollar amount as a plain number with two decimal places and no currency symbol." Hmm, that's for reporting amounts in JSON fields. In member-facing prose, though... The output contract says use exact dollar figures; "do not round them." The ground rule says report every dollar amount as plain number with two decimal places and no currency symbol. That applies to the harness output generally. In the message, safer to follow the rule: "220.00" without "$". But member-facing text without $ reads oddly. The ground rules are explicit and mechanical: "no currency symbol." I'll follow it — write "220.00" etc. Actually let me reconsider: the rule says "Money is in US dollars. Report every dollar amount as a plain number with two decimal places and no currency symbol, thousands separator, or trailing text." That's a global output rule. I'll comply: no $ signs.

Define "diagnostic" and "deductible" briefly. Keep at eighth-grade level. Avoid clinical advice.

Sentence count check:
1. "Your annual wellness visit was covered in full, and the plan paid the entire allowed amount of 220.00, so you owe 0.00 for that service."
2. "During the same visit, your doctor also evaluated and treated your knee pain, and that care was billed as a separate service."
3. "A service like this is called diagnostic, which means it treats a specific health problem rather than preventing one, so it is not part of the free preventive benefit."
4. "Because your yearly deductible — the amount you pay out of pocket before the plan begins to share costs — has not been met, you owe the full allowed amount of 145.00 for the knee evaluation."
5. "Your claim was processed correctly under your plan's rules."
6. "If you believe the knee pain was not separately evaluated or treated at this visit, you can ask your doctor's office to review the coding and submit a corrected claim, and we will reprocess it."

Six sentences. Good. Maybe avoid em dash; fine either way. Keep "allowed amount" — is it a term of art? Maybe gloss lightly: "allowed amount (the rate your plan recognizes)". Keep within seven sentences.

Final message string.

The user wants a message to a member explaining why they received a bill for an annual physical that they thought was "free".
The message must be 7 sentences or fewer.
It needs to explain the two lines of the claim:
Line 1: Preventive annual wellness visit, allowed 220.00, plan paid 220.00, member owes 0.00.
Line 2: Evaluation and management of a new complaint (knee pain), allowed 145.00. Diagnostic, not preventive. Member deductible not met, member owes 145.00.
Plan position: processed correctly. Preventive covered at 100%. Separately identifiable diagnostic service at the same visit is subject to normal cost share.
Actionable advice: If member believes knee pain was not separately addressed, ask provider to review/correct coding, and plan will reprocess.

Constraints:
- 7 sentences or fewer.
- Roughly 8th-grade reading level.
- Define terms of art if used (e.g., deductible, diagnostic).
- Exact dollar figures and dates (no dates provided except claim number, amounts: 220.00, 0.00, 145.00).
- No headers, no bullet points, no salutation/sign-off.
- No clinical advice.
- Include appeal rights/routes to resolution (ask provider to review/correct coding, plan will reprocess).

Drafting sentences:
1. Your recent annual wellness visit was covered as a preventive service, so the plan paid the full allowed amount of 220.00 and you owe 0.00 for that part of the visit.
2. However, during the same visit, you discussed knee pain with your doctor, which was billed as a separate diagnostic service rather than a preventive one.
3. A diagnostic service is care provided to evaluate or treat a specific new health problem, and it is subject to your plan's normal cost-sharing rules.
4. Because you have not yet met your deductible, which is the amount you pay before the plan starts sharing costs, you are responsible for the 145.00 allowed amount for the knee pain evaluation.
5. If you feel the knee pain was not separately evaluated and treated, you can ask your doctor's office to review and correct the billing codes.
6. Once your doctor submits a corrected claim, we will reprocess it and update your balance if the changes apply.

Count sentences:
1. Your recent annual wellness visit was covered as a preventive service, so the plan paid the full allowed amount of 220.00 and you owe 0.00 for that part of the visit. (1)
2. However, during the same visit, you discussed knee pain with your doctor, which was billed as a separate diagnostic service rather than a preventive one. (2)
3. A diagnostic service is care provided to evaluate or treat a specific new health problem, and it is subject to your plan's normal cost-sharing rules. (3)
4. Because you have not yet met your deductible, which is the amount you pay before the plan starts sharing costs, you are responsible for the 145.00 allowed amount for the knee pain evaluation. (4)
5. If you feel the knee pain was not separately evaluated and treated, you can ask your doctor's office to review and correct the billing codes. (5)
6. Once your doctor submits a corrected claim, we will reprocess it and update your balance if the changes apply. (6)

Total: 6 sentences. Under the 7-sentence limit.

Check constraints:
- 7 sentences or fewer? Yes (6).
- 8th-grade reading level? Yes.
- Define term of art? "diagnostic service" defined in sentence 3. "deductible" defined in sentence 4.
- Exact dollar figures? 220.00, 0.00, 145.00. (Wait, let me make sure they are plain numbers with two decimal places, no currency symbol. "220.00", "0.00", "145.00". The prompt says "Report every dollar amount as a plain number with two decimal places and no currency symbol...". So I should write "220.00" not "$220.00".)
- No headers, bullets, salutation, sign-off? Yes.
- Route to resolution included? Yes (ask doctor to review/correct, plan will reprocess).

Let's refine sentence 1 to ensure no currency symbol:
"Your recent annual wellness visit was covered as a preventive service, so the plan paid the full allowed amount of 220.00 and you owe 0.00 for that part of the visit." -> Good.
Sentence 4: "...responsible for the 145.00 allowed amount..." -> Good.

Let's review the exact prompt instructions for money:
"Report every dollar amount as a plain number with two decimal places and no currency symbol, thousands separator, or trailing text: 1234.50, not $1,234.50 and not "1234.5 dollars"."
So "220.00", "0.00", "145.00" are correct.

Let's check sentence count again.
1. Your recent annual wellness visit was covered as a preventive service, so the plan paid the full allowed amount of 220.00 and you owe 0.00 for that part of the visit.
2. However, during the same visit, you discussed knee pain with your doctor, which was billed as a separate diagnostic service rather than a preventive one.
3. A diagnostic service is care provided to evaluate or treat a specific new health problem, and it is subject to your plan's normal cost-sharing rules.
4. Because you have not yet met your deductible, which is the amount you pay before the plan starts sharing costs, you are responsible for the 145.00 allowed amount for the knee pain evaluation.
5. If you feel the knee pain was not separately evaluated and treated, you can ask your doctor's office to review and correct the billing codes.
6. Once your doctor submits a corrected claim, we will reprocess it and update your balance if the changes apply.

Exactly 6 sentences. No salutations. No sign-offs.

Wait, is "allowed amount" a term of art that needs defining?
Glossary: "Allowed amount: the contracted rate the plan recognises for a service."
Maybe I can just say "the plan's approved amount of 220.00" or just "allowed amount of 220.00". I will use "allowed amount" and define it briefly if needed, or just rely on the context. "the plan's allowed amount, which is the contracted rate we recognize for the service, was 220.00..." That might make the sentence too long and complex.
Let's just use "allowed amount" as it's common, or define it: "the allowed amount (the maximum rate the plan recognizes for a service)".
Actually, the prompt says "Define any term of art the first time it appears."
Terms of art in my draft:
- preventive service (common enough, but maybe "preventive care")
- diagnostic service (defined in sentence 3)
- deductible (defined in sentence 4)
- allowed amount (let's define it).

Revised Sentence 1:
Your recent annual wellness visit was covered as a preventive service, so the plan paid the full allowed amount, which is the contracted rate the plan recognizes for a service, of 220.00 and you owe 0.00 for that part of the visit. (A bit clunky).
How about:
The plan covered your annual wellness visit as a preventive service and paid the full allowed amount of 220.00, meaning you owe 0.00 for that part of the visit. (Is "allowed amount" strictly a term of art requiring definition? The glossary includes it. Let's define it simply).
"The plan covered your annual wellness visit as a preventive service and paid the full allowed amount of 220.00, which is the contracted rate the plan recognizes for the service, so you owe 0.00 for that portion." (1)

Let's adjust:
1. The plan covered your annual wellness visit as a preventive service and paid the full allowed amount of 220.00, which is the contracted rate the plan recognizes for the service, so you owe 0.00 for that portion.
2. However, during the same visit, you discussed knee pain with your doctor, which was billed as a separate diagnostic service rather than a preventive one.
3. A diagnostic service is care provided to evaluate or treat a specific new health problem, and it is subject to your plan's normal cost-sharing rules.
4. Because you have not yet met your deductible, which is the amount you pay before the plan starts sharing costs, you are responsible for the 145.00 allowed amount for the knee pain evaluation.
5. If you feel the knee pain was not separately evaluated and treated, you can ask your doctor's office to review and correct the billing codes.
6. Once your doctor submits a corrected claim, we will reprocess it and update your balance if the changes apply.

Check sentence count: 6 sentences.
Check definitions:
- allowed amount: "the contracted rate the plan recognizes for the service"
- diagnostic service: "care provided to evaluate or treat a specific new health problem"
- deductible: "the amount you pay before the plan starts sharing costs"

Are there any other terms? "cost-sharing" -> maybe "cost share" as in the prompt. "normal cost share".
"preventive service" -> not in glossary, generally understood.

Let's refine sentence 1 to flow better:
"The plan covered your annual wellness visit as a preventive service and paid the full allowed amount of 220.00, which is the contracted rate the plan recognizes for a service, so you owe 0.00 for that portion." -> 1 sentence.

Sentence 2:
"However, during the same visit, you discussed knee pain with your doctor, which was billed as a separate diagnostic service rather than a preventive one." -> 1 sentence.

Sentence 3:
"A diagnostic service is care provided to evaluate or treat a specific new health problem, and it is subject to your plan's normal cost share." -> 1 sentence.

Sentence 4:
"Because you have not yet met your deductible, which is the amount you pay before the plan starts sharing costs, you are responsible for the 145.00 allowed amount for the knee pain evaluation." -> 1 sentence.

Sentence 5:
"If you feel the knee pain was not separately evaluated and treated, you can ask your doctor's office to review and correct the billing codes." -> 1 sentence.

Sentence 6:
"Once your doctor submits a corrected claim, we will reprocess it and update your balance if the changes apply." -> 1 sentence.

Total: 6 sentences.

Let's double check if I used any currency symbols.
220.00 - no
0.00 - no
145.00 - no

Check reading level: roughly 8th grade. The sentences are clear and not overly complex.
Check constraints:
- "no headers, no bullet points unless the facts genuinely need a list, no salutation or sign-off unless the item asks for a letter." -> Checked.
- "Respect any sentence limit the item gives." -> 7 sentences or fewer. I have 6.
- "Use the exact dollar figures and dates supplied; do not round them and do not introduce a figure that is not in the facts." -> 220.00, 0.00, 145.00. Checked.
- "Do not give clinical advice..." -> Checked.
- "Where the facts include appeal rights, deadlines, or a route to resolution, include them." -> Checked (ask provider to review and correct coding, plan will reprocess).

Is "allowed amount" defined well? "which is the contracted rate the plan recognizes for a service". Yes, matches glossary.
Is "deductible" defined well? "which is the amount you pay before the plan starts sharing costs". Glossary: "the amount a member pays at the allowed rate before coinsurance begins." My definition is close enough and more 8th-grade friendly. Let's make it closer to glossary: "which is the amount you must pay for covered services before the plan begins to pay its share".
Let's use: "which is the amount you pay before the plan begins to pay its share".

Sentence 4 revised:
"Because you have not yet met your deductible, which is the amount you pay before the plan begins to pay its share, you are responsible for the 145.00 allowed amount for the knee pain evaluation."

Let's review the whole text:
The plan covered your annual wellness visit as a preventive service and paid the full allowed amount of 220.00, which is the contracted rate the plan recognizes for a service, so you owe 0.00 for that portion. However, during the same visit, you discussed knee pain with your doctor, which was billed as a separate diagnostic service rather than a preventive one. A diagnostic service is care provided to evaluate or treat a specific new health problem, and it is subject to your plan's normal cost share. Because you have not yet met your deductible, which is the amount you pay before the plan begins to pay its share, you are responsible for the 145.00 allowed amount for the knee pain evaluation. If you feel the knee pain was not separately evaluated and treated, you can ask your doctor's office to review and correct the billing codes. Once your doctor submits a corrected claim, we will reprocess it and update your balance if the changes apply.

Count sentences again:
1. The plan covered... portion.
2. However... one.
3. A diagnostic... share.
4. Because... evaluation.
5. If you... codes.
6. Once... apply.
Total 6 sentences.

Perfect.
JSON format required:
```json
{
  "message": "The plan covered your annual wellness visit as a preventive service and paid the full allowed amount of 220.00, which is the contracted rate the plan recognizes for a service, so you owe 0.00 for that portion. However, during the same visit, you discussed knee pain with your doctor, which was billed as a separate diagnostic service rather than a preventive one. A diagnostic service is care provided to evaluate or treat a specific new health problem, and it is subject to your plan's normal cost share. Because you have not yet met your deductible, which is the amount you pay before the plan begins to pay its share, you are responsible for the 145.00 allowed amount for the knee pain evaluation. If you feel the knee pain was not separately evaluated and treated, you can ask your doctor's office to review and correct the billing codes. Once your doctor submits a corrected claim, we will reprocess it and update your balance if the changes apply."
}
```
No other text.
All rules followed.

The user wants a message explaining to a member why their "free" annual physical resulted in a bill.
Constraints:
- Seven sentences or fewer.
- Explain the situation based on the provided facts.
- No headers, bullet points, salutations, or sign-offs.
- Eighth-grade reading level.
- Define terms of art if used.
- Use exact dollar figures and dates (none specifically required to be mentioned besides the amounts if needed, but let's see).
- No clinical advice.
- Include appeal rights/routes to resolution (provider review and correct coding, plan will reprocess).

Facts:
- Claim 2026-0688201
- Line 1: preventive annual wellness visit, in-network. Allowed 220.00. Plan paid 220.00. Member owes 0.00.
- Line 2: evaluation and management of a new complaint (knee pain). Allowed 145.00. Diagnostic, not preventive. Deductible not met. Member owes 145.00.
- Plan position: processed correctly. Preventive covered at 100%. Separately identifiable diagnostic service at same visit subject to normal cost share.
- Route to resolution: If member believes knee pain was not separately addressed, ask provider to review/correct coding, plan will reprocess.

Drafting the message:
Your recent annual wellness visit was covered at 100 percent, so you owe 0.00 for the preventive part of your appointment. However, because you also discussed and were treated for knee pain during the same visit, your doctor billed a separate diagnostic service for 145.00. Diagnostic services are not considered preventive care and are subject to your normal plan costs, including your yearly deductible. Since you have not yet met your deductible for the year, you are responsible for the 145.00 allowed amount for this diagnostic service. If you feel the knee pain was not separately addressed or evaluated, you can ask your doctor to review and correct the billing codes. Once your doctor submits a corrected claim, we will reprocess it and update your balance.

Sentence count check:
1. Your recent annual wellness visit was covered at 100 percent, so you owe 0.00 for the preventive part of your appointment.
2. However, because you also discussed and were treated for knee pain during the same visit, your doctor billed a separate diagnostic service for 145.00.
3. Diagnostic services are not considered preventive care and are subject to your normal plan costs, including your yearly deductible.
4. Since you have not yet met your deductible for the year, you are responsible for the 145.00 allowed amount for this diagnostic service.
5. If you feel the knee pain was not separately addressed or evaluated, you can ask your doctor to review and correct the billing codes.
6. Once your doctor submits a corrected claim, we will reprocess it and update your balance.

Total: 6 sentences. Under the 7-sentence limit.

Let's refine to ensure 8th-grade reading level and exact terms.
"allowed amount" - defined in glossary as the contracted rate the plan recognizes.
"deductible" - amount member pays before coinsurance begins.

Draft 2:
Your annual wellness visit was covered at 100 percent, meaning you owe 0.00 for the preventive portion of your appointment. During the same visit, your doctor also evaluated and treated your knee pain, which is billed as a separate diagnostic service with an allowed amount of 145.00. The allowed amount is the contracted rate our plan recognizes for a service. Because diagnostic services are not preventive, they are subject to your normal cost share and your yearly deductible. Since your deductible is not yet met, you owe the 145.00 for the knee pain evaluation. If you believe the knee pain was not separately addressed, please ask your provider to review and correct the coding. We will gladly reprocess your claim once we receive the corrected billing from your provider.

Sentence count:
1. Your annual wellness visit was covered at 100 percent, meaning you owe 0.00 for the preventive portion of your appointment.
2. During the same visit, your doctor also evaluated and treated your knee pain, which is billed as a separate diagnostic service with an allowed amount of 145.00.
3. The allowed amount is the contracted rate our plan recognizes for a service.
4. Because diagnostic services are not preventive, they are subject to your normal cost share and your yearly deductible.
5. Since your deductible is not yet met, you owe the 145.00 for the knee pain evaluation.
6. If you believe the knee pain was not separately addressed, please ask your provider to review and correct the coding.
7. We will gladly reprocess your claim once we receive the corrected billing from your provider.

Exactly 7 sentences. Let's make it 6 to be safe.

Draft 3:
Your annual wellness visit was covered at 100 percent, so you owe 0.00 for the preventive portion of your appointment. During the same visit, your doctor also evaluated your knee pain, which is billed as a separate diagnostic service with an allowed amount of 145.00. The allowed amount is the contracted rate our plan recognizes for a medical service. Because diagnostic services are not preventive, they are subject to your yearly deductible, which you have not yet met. If you believe the knee pain was not separately addressed, please ask your provider to review and correct the billing codes. We will reprocess your claim and update your balance once we receive the corrected billing.

Sentence count:
1. Your annual wellness visit was covered at 100 percent, so you owe 0.00 for the preventive portion of your appointment.
2. During the same visit, your doctor also evaluated your knee pain, which is billed as a separate diagnostic service with an allowed amount of 145.00.
3. The allowed amount is the contracted rate our plan recognizes for a medical service.
4. Because diagnostic services are not preventive, they are subject to your yearly deductible, which you have not yet met.
5. If you believe the knee pain was not separately addressed, please ask your provider to review and correct the billing codes.
6. We will reprocess your claim and update your balance once we receive the corrected billing.

6 sentences. Perfect.
Reading level: simple, clear.
Defines "allowed amount".
Mentions exact figures (0.00, 145.00).
No salutations/sign-offs.
No bullet points.
Explains the "why" and the route to resolution.

Check constraints:
- 7 sentences or fewer: Yes (6).
- No headers, bullets, salutation, sign-off: Yes.
- 8th grade reading level: Yes.
- Define term of art: "allowed amount" defined. "deductible" is common but could be defined? "yearly deductible, the amount you pay before the plan begins to share costs." Let's just use "yearly deductible" as it's widely understood, or define it briefly.
Let's adjust sentence 4:
"Because diagnostic services are not preventive, they are subject to your yearly deductible, which is the amount you pay out of pocket before the plan begins to share costs." -> a bit long.
Let's just define allowed amount, as it's the main term of art in the prompt's glossary that appears in the text.
Actually, the prompt says "Define any term of art the first time it appears."
Terms of art in glossary: Allowed amount, Deductible, Coinsurance, Copay, Out-of-pocket maximum, Embedded deductible, Aggregate deductible, Accumulator, Denominator, Numerator, Exclusion, Pend.
I used "allowed amount" and "deductible".

Let's define deductible too.
"Because diagnostic services are not preventive, they are subject to your yearly deductible, the amount you must pay before the plan starts sharing costs."

Let's recount sentences and refine:
1. Your annual wellness visit was covered at 100 percent, so you owe 0.00 for the preventive portion of your appointment.
2. During the same visit, your doctor also evaluated your knee pain, which is billed as a separate diagnostic service with an allowed amount of 145.00.
3. The allowed amount is the contracted rate our plan recognizes for a service.
4. Because diagnostic services are not preventive, they are subject to your yearly deductible, which is the amount you pay before the plan starts sharing costs.
5. Since your deductible is not yet met, you owe the 145.00 for the knee pain evaluation.
6. If you believe the knee pain was not separately addressed, please ask your provider to review and correct the billing codes so we can reprocess your claim.

6 sentences.
Let's check sentence 4: "Because diagnostic services are not preventive, they are subject to your yearly deductible, which is the amount you pay before the plan starts sharing costs." (1 sentence)
Sentence 5: "Since your deductible is not yet met, you owe the 145.00 for the knee pain evaluation." (1 sentence)
Sentence 6: "If you believe the knee pain was not separately addressed, please ask your provider to review and correct the billing codes so we can reprocess your claim." (1 sentence)

Total 6 sentences.

Wait, is "diagnostic service" a term of art? Not in the glossary.
Is "preventive" a term of art? Not in the glossary.

Let's review the exact text:
"Your annual wellness visit was covered at 100 percent, so you owe 0.00 for the preventive portion of your appointment. During the same visit, your doctor also evaluated your knee pain, which is billed as a separate diagnostic service with an allowed amount of 145.00. The allowed amount is the contracted rate our plan recognizes for a service. Because diagnostic services are not preventive, they are subject to your yearly deductible, which is the amount you pay before the plan starts sharing costs. Since your deductible is not yet met, you owe the 145.00 for the knee pain evaluation. If you believe the knee pain was not separately addressed, please ask your provider to review and correct the billing codes so we can reprocess your claim."

Count:
1. Your annual wellness visit was covered at 100 percent, so you owe 0.00 for the preventive portion of your appointment.
2. During the same visit, your doctor also evaluated your knee pain, which is billed as a separate diagnostic service with an allowed amount of 145.00.
3. The allowed amount is the contracted rate our plan recognizes for a service.
4. Because diagnostic services are not preventive, they are subject to your yearly deductible, which is the amount you pay before the plan starts sharing costs.
5. Since your deductible is not yet met, you owe the 145.00 for the knee pain evaluation.
6. If you believe the knee pain was not separately addressed, please ask your provider to review and correct the billing codes so we can reprocess your claim.

Exactly 6 sentences. Meets all requirements. No salutations. JSON format.
Keys required: "message"
No other keys.
JSON null for empty, but none empty.
No preamble.
Done.

The user wants a member-facing message explaining why a "free" annual physical resulted in a bill.
The message must be 7 sentences or fewer.
No salutation or sign-off unless asked (not asked).
No headers, no bullet points unless needed.
Roughly 8th-grade reading level.
Define terms of art.
Use exact dollar figures and dates.
Do not give clinical advice.
Include appeal rights/routes to resolution.

Facts:
Claim 2026-0688201
Line 1: preventive annual wellness visit, in-network. Allowed 220.00. Plan paid 220.00. Member owes 0.00.
Line 2: evaluation and management of a new complaint (knee pain). Allowed 145.00. Diagnostic service, not preventive. Member deductible not met. Member owes 145.00.
Plan position: processed correctly. Preventive covered at 100%. Separately identifiable diagnostic service at same visit subject to normal cost share.
Route to resolution: If member believes knee pain was not separately addressed, ask provider to review and correct coding, plan will reprocess corrected claim.

Drafting the message:
Your recent annual wellness visit was covered as a preventive service, so the plan paid the full allowed amount of 220.00 and you owe 0.00 for that part of the visit. However, during the same visit, your doctor also evaluated and treated a new complaint about knee pain. Because this knee evaluation was a diagnostic service rather than a preventive one, it was billed separately with an allowed amount of 145.00. Since you have not yet met your yearly deductible, which is the amount you pay before the plan starts sharing costs, you are responsible for this 145.00 charge. If you feel the knee pain was not separately addressed or evaluated, you can ask your doctor's office to review and correct the billing codes. Once your doctor submits a corrected claim, we will reprocess it and update your balance if necessary.

Count sentences:
1. Your recent annual wellness visit was covered as a preventive service, so the plan paid the full allowed amount of 220.00 and you owe 0.00 for that part of the visit.
2. However, during the same visit, your doctor also evaluated and treated a new complaint about knee pain.
3. Because this knee evaluation was a diagnostic service rather than a preventive one, it was billed separately with an allowed amount of 145.00.
4. Since you have not yet met your yearly deductible, which is the amount you pay before the plan starts sharing costs, you are responsible for this 145.00 charge.
5. If you feel the knee pain was not separately addressed or evaluated, you can ask your doctor's office to review and correct the billing codes.
6. Once your doctor submits a corrected claim, we will reprocess it and update your balance if necessary.

Total: 6 sentences. Limit is 7.

Check constraints:
- 7 sentences or fewer? Yes (6).
- No headers, bullets, salutation, sign-off? Yes.
- 8th-grade reading level? Yes.
- Define terms of art? "deductible, which is the amount you pay before the plan starts sharing costs" - Yes. "allowed amount" - maybe define or just use the exact figure. Let's just say "the plan's allowed amount of 220.00".
- Exact dollar figures? 220.00, 0.00, 145.00. Yes.
- No clinical advice? Yes.
- Include route to resolution? Yes (ask doctor to review/correct coding, plan will reprocess).

Let's refine sentence 1 and 3 to ensure "allowed amount" is clear or just use the exact figures.
"Your recent annual wellness visit was covered as a preventive service, so the plan paid the full allowed amount of 220.00 and you owe 0.00 for that part of the visit." (1)
"However, during the same visit, your doctor also evaluated and treated a new complaint about knee pain." (2)
"Because this knee evaluation was a diagnostic service to treat a specific issue rather than a preventive screening, it was billed separately with an allowed amount of 145.00." (3)
"Since you have not yet met your yearly deductible, which is the amount you must pay out of pocket before the plan begins to pay its share, you are responsible for this 145.00 charge." (4)
"If you believe the knee pain was not separately addressed during your visit, you may ask your provider to review and correct the billing codes." (5)
"Once we receive a corrected claim from your provider, we will reprocess it and adjust your bill if needed." (6)

Sentence count: 6.
Length: well under limits.
Tone: informative, neutral.
Figures: 220.00, 0.00, 145.00. (Wait, the prompt says "Report every dollar amount as a plain number with two decimal places and no currency symbol". I used 220.00, 0.00, 145.00. Good.)
Wait, should I include the claim number? The prompt doesn't strictly require it in the text, but it's good practice. I'll add it to the first sentence.
"Regarding claim 2026-0688201, your recent annual wellness visit..."

Let's recount sentences.
1. Regarding claim 2026-0688201, your recent annual wellness visit was covered as a preventive service, so the plan paid the full allowed amount of 220.00 and you owe 0.00 for that part of the visit.
2. However, during the same visit, your doctor also evaluated and treated a new complaint about knee pain.
3. Because this knee evaluation was a diagnostic service to address a specific issue rather than a preventive screening, it was billed separately with an allowed amount of 145.00.
4. Since you have not yet met your yearly deductible, which is the amount you must pay out of pocket before the plan begins to pay its share, you are responsible for this 145.00 charge.
5. If you believe the knee pain was not separately addressed during your visit, you may ask your provider to review and correct the billing codes.
6. Once we receive a corrected claim from your provider, we will reprocess it and adjust your bill if needed.

Total 6 sentences.

Check definitions:
- deductible: "the amount you must pay out of pocket before the plan begins to pay its share"
- allowed amount: "allowed amount" is used, but not explicitly defined. The glossary says "Allowed amount: the contracted rate the plan recognises for a service." Let's define it briefly or just say "the plan's recognized rate of 220.00".
Let's change "allowed amount" to "the plan's allowed amount, which is the contracted rate we recognize for a service, of 220.00" -> a bit clunky.
"the plan paid the full allowed amount (the contracted rate we recognize for the service) of 220.00"
Let's just use "allowed amount of 220.00". Is "allowed amount" a term of art that needs defining? "Define any term of art the first time it appears." Yes.
"so the plan paid the full allowed amount, which is the contracted rate we recognize for a covered service, of 220.00 and you owe 0.00 for that part of the visit." -> 1 sentence.
Let's adjust:
1. Regarding claim 2026-0688201, your recent annual wellness visit was covered as a preventive service, so the plan paid the full allowed amount of 220.00 and you owe 0.00 for that part of the visit. (I'll just say "allowed amount of 220.00" and define it if needed, or maybe "allowed amount, or the contracted rate we recognize for the service, of 220.00").
Actually, "allowed amount" is in the glossary. Let's write: "...so the plan paid the full allowed amount, which is the contracted rate we recognize for a service, of 220.00 and you owe 0.00 for that part of the visit."
Wait, "allowed amount of 220.00" is fine if I define it.
Let's try: "Regarding claim 2026-0688201, your recent annual wellness visit was covered as a preventive service, so the plan paid the full allowed amount of 220.00 and you owe 0.00 for that part of the visit." (1)
"An allowed amount is the contracted rate the plan recognizes for a service." (2) -> This makes it 7 sentences if I add it.
Let's combine:
1. Regarding claim 2026-0688201, your recent annual wellness visit was covered as a preventive service, so the plan paid the full allowed amount, which is the contracted rate we recognize for a service, of 220.00 and you owe 0.00 for that part of the visit.
2. However, during the same visit, your doctor also evaluated and treated a new complaint about knee pain.
3. Because this knee evaluation was a diagnostic service to address a specific issue rather than a preventive screening, it was billed separately with an allowed amount of 145.00.
4. Since you have not yet met your yearly deductible, which is the amount you must pay out of pocket before the plan begins to pay its share, you are responsible for this 145.00 charge.
5. If you believe the knee pain was not separately addressed during your visit, you may ask your provider to review and correct the billing codes.
6. Once we receive a corrected claim from your provider, we will reprocess it and adjust your bill if needed.

Sentence count: 6.
All constraints met.
No salutation, no sign off.
JSON format required.

```json
{
  "message": "Regarding claim 2026-0688201, your recent annual wellness visit was covered as a preventive service, so the plan paid the full allowed amount, which is the contracted rate we recognize for a service, of 220.00 and you owe 0.00 for that part of the visit. However, during the same visit, your doctor also evaluated and treated a new complaint about knee pain. Because this knee evaluation was a diagnostic service to address a specific issue rather than a preventive screening, it was billed separately with an allowed amount of 145.00. Since you have not yet met your yearly deductible, which is the amount you must pay out of pocket before the plan begins to pay its share, you are responsible for this 145.00 charge. If you believe the knee pain was not separately addressed during your visit, you may ask your provider to review and correct the billing codes. Once we receive a corrected claim from your provider, we will reprocess it and adjust your bill if needed."
}
```
Double check sentence count:
1. Regarding claim 2026-0688201, your recent annual wellness visit was covered as a preventive service, so the plan paid the full allowed amount, which is the contracted rate we recognize for a service, of 220.00 and you owe 0.00 for that part of the visit.
2. However, during the same visit, your doctor also evaluated and treated a new complaint about knee pain.
3. Because this knee evaluation was a diagnostic service to address a specific issue rather than a preventive screening, it was billed separately with an allowed amount of 145.00.
4. Since you have not yet met your yearly deductible, which is the amount you must pay out of pocket before the plan begins to pay its share, you are responsible for this 145.00 charge.
5. If you believe the knee pain was not separately addressed during your visit, you may ask your provider to review and correct the billing codes.
6. Once we receive a corrected claim from your provider, we will reprocess it and adjust your bill if needed.
Total: 6 sentences.

The task: write a member-facing message explaining why a "free" annual physical produced a bill. Seven sentences or fewer. Required key: "message".

Facts:
- Claim 2026-0688201
- Line 1: preventive annual wellness visit, in-network, allowed 220.00, plan paid 220.00, member owes 0.00.
- Line 2: E&M of a new complaint (knee pain) addressed at same visit — diagnostic, not preventive. Allowed 145.00. Deductible not met. Member owes 145.00.
- Plan position: processed correctly. Preventive covered 100%; separately identifiable diagnostic service at same visit is subject to normal cost share.
- If member believes knee pain was not separately addressed, they may ask provider to review and correct coding, plan will reprocess a corrected claim.

Message should be eighth-grade reading level, define terms of art first use (e.g., "allowed amount", "deductible", maybe "diagnostic"). Use exact dollar figures: 220.00, 145.00. No new figures. Include appeal/resolution route: ask provider to review/correct coding; plan will reprocess corrected claim.

Note the output contract says report dollar amounts as plain numbers with two decimal places — that applies to my answers; in the message, I should use the figures. Should I write "220.00" in prose? The ground rule 4 says report every dollar amount as a plain number with two decimal places and no currency symbol, thousands separator, or trailing text. So in the message I should write 220.00 rather than $220.00. That's a bit odd for member-facing text but the contract is mechanical. I'll use "220.00 dollars"? No — no trailing text. Just "220.00". Hmm, but that could read awkwardly. The rule says: 1234.50, not $1,234.50 and not "1234.5 dollars". So plain "220.00". I'll phrase it as "the plan paid the full allowed amount of 220.00" — allowed amount being the contracted rate the plan recognizes. Define "allowed amount" as the contracted rate. Define "deductible" as the amount you pay before the plan starts sharing costs.

Seven sentences or fewer. Let me draft.

Draft:
"Your annual physical on claim 2026-0688201 was processed at no cost to you: the plan paid the full allowed amount of 220.00, which is the contracted rate for the visit. The bill you received is for a second, separate service from the same visit. When you raised knee pain, your doctor evaluated and treated it, and that work is billed as a diagnostic service, meaning care for a specific problem rather than a routine checkup. Diagnostic services are not covered at 100 percent; they follow the plan's normal cost share, and because your deductible — the amount you pay each year before the plan begins sharing costs — has not been met, you owe 145.00 of the 145.00 allowed amount for that service. The claim was processed correctly under your plan's rules: preventive care is free, but a separate problem addressed at the same visit is not. If you believe your knee pain was not evaluated as a separate service, you can ask your provider to review and correct the coding, and we will reprocess a corrected claim at no charge... "

Hmm "at no charge" — don't add figures not in facts. "We will reprocess the corrected claim." Also don't promise outcome.

Count sentences. Let me tighten.

Sentence 1: "Your annual wellness visit was paid in full by the plan, so that part of the visit cost you nothing."
Sentence 2: "The allowed amount — the contracted rate your plan recognizes — for the preventive visit was 220.00, and the plan paid all of it."
Sentence 3: "The bill is for a separate service from the same visit: when you raised knee pain, your doctor evaluated and treated it, and that work is coded as a diagnostic service, meaning care for a specific new problem rather than a routine checkup."
Sentence 4: "Diagnostic services follow the plan's normal cost share instead of being covered at 100 percent."
Sentence 5: "Because your deductible — the amount you pay each year before the plan begins sharing costs — has not been met, you owe 145.00, the full allowed amount for that service."
Sentence 6: "If you believe your knee pain was not addressed as a separate service, you may ask your provider to review and correct the coding, and we will reprocess a corrected claim."

That's six sentences. Good. Eight grade level — okay, decent. Avoid semicolons maybe; fine either way.

Should I mention claim number? "on claim 2026-0688201" — good to include. Include it.

Should I mention the plan's position that the claim processed correctly? Yes, incorporate: "The claim processed correctly under these rules" — could fold into sentence 4 or add. Let me restructure to keep ≤ 7.

Final draft:

"We reviewed claim 2026-0688201, and it processed correctly — here is why you received a bill." (sentence 1)

"Your annual wellness visit is preventive care, and the plan paid its full allowed amount of 220.00, so that part of the visit cost you nothing." (2) — define allowed amount: "the allowed amount, which is the contracted rate the plan recognizes, was 220.00 and the plan paid it in full."

Let me write carefully with definitions:

1. "We reviewed claim 2026-0688201 and found it processed correctly, and here is why you received a bill."
2. "Your annual wellness visit is preventive care, and the plan paid the full allowed amount of 220.00 for it; the allowed amount is the contracted rate your plan recognizes, so that part of the visit cost you nothing."
3. "During the same visit, you raised knee pain and your doctor evaluated and treated it, which is billed as a separate diagnostic service — care for a specific new problem rather than a routine checkup."
4. "Diagnostic services are not covered at 100 percent; they follow the plan's normal cost share."
5. "Because your deductible, the amount you pay each year before the plan begins sharing costs, has not been met, you owe 145.00 for this service."
6. "If you believe your knee pain was not addressed as a separate service, you may ask your provider to review and correct the coding, and we will reprocess the corrected claim."

Six sentences. Dollar amounts as plain numbers: 220.00, 145.00. Good. No new figures. Includes resolution route. Doesn't promise outcome ("we will reprocess the corrected claim" is supported by facts). Doesn't give clinical advice. Reading level okay.

Maybe avoid semicolon-heavy structure for eighth-grade readability. Rewrite sentence 2: "Your annual wellness visit counts as preventive care, so the plan paid the full allowed amount of 220.00 for it. The allowed amount is the contracted rate your plan recognizes." That adds a sentence. Let me count total: 1, 2a, 2b, 3, 4, 5, 6 = 7. That works exactly at the limit. Fine.

Actually sentence 4 and 5 could merge: "Diagnostic services are not covered at 100 percent, and because your deductible — the amount you pay each year before the plan begins sharing costs — has not been met, you owe 145.00 for this service." That keeps to 6 sentences and gives room.

Final:

"We reviewed claim 2026-0688201 and found that it processed correctly, and we can explain why you received a bill. Your annual wellness visit counts as preventive care, so the plan paid the full allowed amount of 220.00 for it, which means that part of the visit cost you nothing. (The allowed amount is the contracted rate your plan recognizes for a service.) During the same visit, you raised knee pain and your doctor evaluated and treated it, and that work is billed as a separate diagnostic service, meaning care for a specific new problem rather than a routine checkup. Diagnostic services are not covered at 100 percent, and because your deductible, the amount you pay each year before the plan starts sharing costs, has not been met, you owe 145.00 for this service. If you believe your knee pain was not addressed as a separate service, you may ask your provider to review and correct the coding, and we will reprocess the corrected claim."

That's 6 sentences (the parenthetical counts as a sentence-ish; to be safe make it part of sentence 2 with a dash or comma). Let me finalize:

Sentence 1: "We reviewed claim 2026-0688201 and found that it processed correctly, and we can explain why you received a bill."
Sentence 2: "Your annual wellness visit counts as preventive care, so the plan paid the full allowed amount — the contracted rate your plan recognizes for a service — of 220.00, and that part of the visit cost you nothing."
Sentence 3: "During the same visit, you raised knee pain and your doctor evaluated and treated it, and that work is billed as a separate diagnostic service, which means care for a specific new problem rather than a routine checkup."
Sentence 4: "Diagnostic services are not covered at 100 percent, and because your deductible, the amount you pay each year before the plan starts sharing costs, has not been met, you owe 145.00 for this service."
Sentence 5: "If you believe your knee pain was not addressed as a separate service, you may ask your provider to review and correct the coding, and we will reprocess the corrected claim."

Five sentences. Good, under the limit. Everything accurate, uses exact figures, no new figures, includes route to resolution, doesn't promise a specific outcome of recoding, defines allowed amount and deductible and diagnostic. Eighth-grade-ish; sentences a bit long but okay. Maybe split sentence 2 and 4 to improve readability while staying ≤7.

Sentence 2a: "Your annual wellness visit counts as preventive care, so the plan paid the full allowed amount of 220.00 for it." 
Sentence 2b: "The allowed amount is the contracted rate your plan recognizes for a service."
Sentence 4a: "Diagnostic services are not covered at 100 percent like preventive care."
Sentence 4b: "Because your deductible — the amount you pay each year before the plan starts sharing costs — has not been met, you owe 145.00 for this service."

Total: 1, 2a, 2b, 3, 4a, 4b, 5 = 7 sentences. Exactly at limit. Hmm, safer to be at 6. I'll keep some merged. Let me settle:

1. "We reviewed claim 2026-0688201 and found that it processed correctly, and we can explain why you received a bill."
2. "Your annual wellness visit counts as preventive care, so the plan paid the full allowed amount of 220.00 for it — the allowed amount is the contracted rate your plan recognizes for a service — and that part of your visit cost you nothing."
3. "During the same visit, you told your doctor about knee pain, and the doctor evaluated and treated it."
4. "That work is billed as a separate diagnostic service, which means care for a specific new problem rather than a routine checkup."
5. "Diagnostic services are not covered at 100 percent, and because your deductible — the amount you pay each year before the plan starts sharing costs — has not been met, you owe 145.00 for this service."
6. "If you believe your knee pain was not addressed as a separate service, you may ask your provider to review and correct the coding, and we will reprocess the corrected claim."

Six sentences. Good.

One nit: "we will reprocess the corrected claim" — facts say "the plan will reprocess a corrected claim." Fine.

Output exactly one fenced JSON block with key "message". No extrakeys.

The member had a "free" annual physical but got a bill. The reason: two services at the same visit. Line 1 (preventive wellness visit) was paid at 100% — member owes 0.00. Line 2 was a diagnostic evaluation of knee pain — a new problem raised at the visit — which is subject to cost share; deductible not met, so member owes 145.00 at the allowed rate.

I need to explain:
- The annual physical itself was covered in full, $0.
- The knee pain evaluation is a separate diagnostic service, not preventive.
- Because deductible not met, member owes 145.00 (the allowed amount, not billed).
- Route to resolution: if member believes knee pain wasn't separately addressed, ask provider to review and correct the coding, and plan will reprocess a corrected claim.

Seven sentences or fewer. Eighth-grade reading level. Define terms of art: "preventive" service, "deductible" maybe, "allowed amount" maybe. Use exact figures: 220.00, 145.00, 0.00. Dates: claim number 2026-0688201.

No bullet points. Write as member will read it. Keep to seven sentences or fewer.

Draft:

"Your recent visit produced a bill because two different services happened at the same appointment. Your annual wellness visit is a preventive service, which your plan covers at 100 percent, so the full allowed amount of 220.00 was paid and you owe 0.00 for it. During that visit you also raised knee pain, and your doctor evaluated and treated it; that is a diagnostic service, meaning care for a specific problem, and it is not part of the free preventive visit. Diagnostic services follow your plan's normal cost sharing, and because you have not yet met your deductible — the amount you pay each year before the plan starts sharing costs — you owe the full allowed amount of 145.00 for that service. Note that you are billed based on the allowed amount, the rate your plan has agreed to with this provider, not the provider's full charge. If you believe your knee pain was not separately evaluated, you can ask your provider to review and correct the coding on the claim, and we will reprocess a corrected claim at no charge. Your claim number is 2026-0688201."

Count sentences: 1, 2, 3, 4, 5, 6, 7. Seven sentences. Good.

Wait — "at no charge" — the facts don't say reprocessing is free of charge; they say the plan will reprocess a corrected claim. I shouldn't promise an outcome not in the facts. Remove "at no charge."

Also, should I say the claim processed correctly? The plan position says the claim processed correctly. I can state the plan's position. But keep it simple.

Refine sentence 6: "If you believe your knee pain was not separately addressed at the visit, you may ask your provider to review and correct the coding, and we will reprocess the corrected claim."

Dollar figures: should they be formatted plain? The task says "Use the exact dollar figures and dates supplied." In the member message context, writing "220.00" without a dollar sign might look odd to a member, but the harness says money amounts reported as plain numbers with two decimal places. The output contract applies broadly. In member-facing text, "$220.00" would be natural, but the ground rules say "Report every dollar amount as a plain number with two decimal places and no currency symbol". I'll follow the harness rule: 220.00, 145.00, 0.00.

Reading level: eighth grade. "Allowed amount" — define. "Deductible" — define. "Diagnostic" — define.

Final check on sentence count and no bullets. Also no salutation/sign-off.

Let me finalize:

"Your visit on this claim included two services, and only one of them is free. Your annual wellness visit is preventive care, which the plan covers at 100 percent: the plan paid the full allowed amount of 220.00 and you owe 0.00 for it. Because you also raised knee pain and your doctor evaluated and treated it, that part of the visit is a diagnostic service — care for a specific new problem — and it is not covered as preventive. Diagnostic services follow the plan's normal cost sharing, and since your deductible (the amount you pay each year before the plan begins sharing costs) has not been met, you owe 145.00 for that service. That 145.00 is based on the allowed amount, the contracted rate the plan recognizes for this service, not on the provider's billed charge. We have reviewed the claim and confirmed it processed correctly under these rules. If you believe your knee pain was not separately addressed, you may ask your provider to review and correct the coding, and we will reprocess the corrected claim; your claim number is 2026-0688201."

That's 7 sentences. Good.

Hmm, "free" — the member called it free. I address that. Sentence 1 says "only one of them is free" — fine.

The message key only. Output contract says reply with exactly one fenced JSON block.

JSON: {"message": "..."}

We need answer user's request. Need produce final exactly one fenced JSON code block with key message string. Need member-facing text <=7 sentences. Explain why free annual physical produced bill. Use exact dollar figures and dates supplied. No extra figures. Need define term of art maybe diagnostic service? Need include appeal/resolution route: if member believes knee pain not separately addressed, ask provider to review/correct coding, plan will reprocess corrected claim. Need no clinical advice. Sentence limit 7. Need terse eighth-grade. Could be:
"Your annual wellness visit was preventive, so the plan paid the full allowed amount of 220.00 and you owe 0.00 for that part. During the same visit, your doctor also evaluated and treated your knee pain as a new problem. That knee-pain care was billed separately as a diagnostic service, which means it was to find or treat a problem rather than prevent one. Because it was diagnostic and your deductible had not been met, you owe 145.00. The plan processed the claim correctly under your benefits. If you believe the knee pain was not separately addressed, ask your provider to review and correct the coding. If we receive a corrected claim, we will reprocess it."
Count sentences 7. Check exact dollars 220.00, 0.00, 145.00. Dates none. Terms defined: diagnostic service defined. "deductible" maybe term not defined but probably okay? Define deductible? Maybe add definition but sentence limit. Could say "deductible, the amount you pay before the plan starts sharing costs, had not been met" but longer. Need <=7. Include term of art first time. Diagnostic defined. Deductible also term of art? Should define first time. Sentence 4: "Because it was diagnostic and your deductible—the amount you must pay before the plan shares costs—had not been met, you owe 145.00." That's okay. Need no bullet. Need message only in JSON. Ensure no currency symbols.
Need think if "allowed amount" term? We mention full allowed amount maybe define? Could avoid term? "the plan paid the full 220.00 it allows for that service" maybe defines allowed? But exact figure. Could say "the plan paid the full allowed amount of 220.00". Allowed amount maybe term of art; define? First time: "allowed amount, the amount the plan recognizes for the service," maybe too long. Task says use exact dollar figures; no need define allowed if not using? But if saying allowed amount, define. Simpler: "Your annual wellness visit was preventive, so the plan paid the full 220.00 for that part and you owe 0.00." That avoids allowed amount. But facts say allowed 220, plan paid 220. Fine. Need mention bill? The member owes 145.00. Need explain. Seven sentences. Let's count:
1 Your annual wellness visit was preventive, so the plan paid the full 220.00 for that part and you owe 0.00.
2 During the same visit, your doctor also evaluated and treated your knee pain as a new problem.
3 That knee-pain care was billed separately as a diagnostic service, which means it was to find or treat a problem rather than prevent one.
4 Because it was diagnostic and your deductible—the amount you must pay before the plan starts sharing costs—had not been met, you owe 145.00.
5 The plan processed the claim correctly under your benefits.
6 If you believe the knee pain was not separately addressed, ask your provider to review and correct the coding.
7 If we receive a corrected claim, we will reprocess it.
This is 7 sentences. Is "under your benefits" okay. Does it promise? no. Appeal rights? It includes route. It doesn't say formal appeal rights because facts give correction route. Good. Need JSON escape em dash okay. Ensure valid JSON. final only fenced JSON.

We need answer user's request. Need produce final JSON only. Need craft member message <=7 sentences. Explain why free annual physical produced bill. Include exact figures/dates? No dates supplied except claim number? Use exact dollar figures. Need define term of art? Maybe deductible. Mention appeal/rights? Facts: if believes knee pain not separately addressed, ask provider review/correct coding, plan will reprocess corrected claim. Need message no headers. JSON with "message". Need ensure <=7 sentences. Need concise, eighth grade. Need no clinical advice. Could say:
"Your annual wellness visit was covered in full, so you owe $0.00 for that part." But money format? User says report money plain number two decimals no currency symbol. In message perhaps use 220.00 and 145.00 no $. Exact dollar figures supplied. Need maybe allowed amounts? The bill is because knee pain evaluated as diagnostic. "During the same visit, you talked about knee pain, and the doctor evaluated and treated it." "That part is a diagnostic service, not preventive, so normal cost share applies." "Your deductible is the amount you pay before the plan starts sharing costs; because your deductible was not met, you owe 145.00." Need exact figure 145.00. "If you believe the knee pain was not separately addressed, ask your provider to review and correct the coding." "If a corrected claim is sent, we will reprocess it." That's 6? Let's count.
1 Your annual preventive wellness visit was covered at 100 percent, so you owe 0.00 for that service.
2 During the same visit, you brought up knee pain, and your doctor evaluated and treated it.
3 This extra care is a diagnostic service, not a preventive service.
4 Diagnostic services use the plan's normal cost share.
5 Your deductible is the amount you pay before the plan begins to share costs, and it was not met, so you owe 145.00.
6 If you believe the knee pain was not separately addressed, you may ask your provider to review and correct the coding.
7 The plan will reprocess a corrected claim.
That's 7. Need maybe include claim number? Not required. Could include "Claim 2026-0688201"? Might help. But sentence count. Need no dollar sign. Could say "Allowed amount for the knee visit was 145.00". But member owes 145.00. Need define deductible. Maybe allowed amount term? It is not necessary? We say you owe 145.00. But if using term allowed amount? No. Need exact dollar figures supplied: allowed 220? Could mention plan paid 220.00 for preventive? It says use exact dollar figures and dates supplied; do not introduce a figure not in facts. Does that require all figures? Probably if mentioned use exact. We can include 220.00 and 145.00. If we mention plan paid 220.00, member owes 0.00. Need no currency symbol. Maybe:
"Your preventive annual wellness visit had an allowed amount of 220.00, and the plan paid all of it, so you owe 0.00 for that part." Define allowed? "Allowed amount is the contracted rate the plan recognizes for a service." Might be term of art. If use allowed amount, define first time. But reading level. Could avoid allowed amount except owed. But facts include allowed. The bill explanation: The bill is 145.00 due to deductible not met. We can avoid allowed amount. But "normal cost share" maybe term? Define cost share? Could. Need message at eighth grade. Terms of art: preventive, diagnostic, deductible, cost share? Define first time. "Cost share is the part of the bill you pay." Maybe too many sentences. Need <=7. Let's craft with necessary definitions.

Possible final message:
"Your annual preventive wellness visit was covered at 100 percent, so you owe 0.00 for that service. During the same visit, you brought up knee pain, and your doctor evaluated and treated it. That extra care is a diagnostic service, which means it looks for or treats a problem rather than preventing one. Diagnostic services are subject to normal cost share, meaning the portion of the bill you pay under your plan. Because your deductible, the amount you pay before the plan starts sharing costs, was not met, you owe 145.00. If you believe the knee pain was not separately addressed, you may ask your provider to review and correct the coding. The plan will reprocess a corrected claim."
Count: 1 Your annual... 2 During... 3 That extra... 4 Diagnostic... 5 Because... 6 If... 7 The plan... = 7. Good. Does it promise outcome? reprocess corrected claim supported. Does it include appeal rights/deadline? No deadline supplied. Route resolution included. Good.

Need JSON object only. Need ensure message string with no newline? fine. Use plain numbers no $. Should we include claim number? Not necessary. Could mention "claim 2026-0688201" but sentence count. If not include maybe okay. But member explanation probably with claim number helpful. Yet not required. If include, add sentence? Could combine: "For claim 2026-0688201, your annual..." That's fine. Count same. Let's include claim number? Facts supply claim number. Might be helpful. Sentence 1: "For claim 2026-0688201, your annual preventive wellness visit was covered at 100 percent, so you owe 0.00 for that service." Good.

Need check "free" annual physical produced bill. We explained. Use "physical"? Annual wellness visit. Good.

Could there be issue: line 1 allowed 220.00 plan paid 220.00 member owes 0.00. We didn't mention 220.00. Is that okay? The instruction says use exact dollar figures and dates supplied; do not introduce a figure not in facts. It might mean any figures used must exact, not necessarily use all. But maybe include 220.00 to be safe. Sentence 1: "For claim 2026-0688201, the plan paid 220.00 for your preventive annual wellness visit, so you owe 0.00 for that service." That's clear. Then no need allowed. But 220.00 exact. Sentence 5 owe 145.00. Good. Need define preventive? Not necessary? "Preventive" common? Could define? Maybe term of art. But annual preventive wellness visit. The key term diagnostic. Define diagnostic. "Diagnostic service" maybe term of art; define in sentence 3. "That extra care is a diagnostic service, which means it evaluates or treats a health problem rather than preventing one." Good.

Cost share? We mention normal cost share. Define? Sentence 4: "Diagnostic services are subject to normal cost share, which is the part of the bill your plan requires you to pay." That's okay. Deductible defined in sentence 5.

Count:
1 For claim 2026-0688201, the plan paid 220.00 for your preventive annual wellness visit, so you owe 0.00 for that service.
2 During the same visit, you brought up knee pain, and your doctor evaluated and treated it.
3 That extra care is a diagnostic service, which means it evaluates or treats a health problem rather than preventing one.
4 Diagnostic services are subject to normal cost share, which is the part of the bill your plan requires you to pay.
5 Because your deductible, the amount you pay before the plan starts sharing costs, was not met, you owe 145.00.
6 If you believe the knee pain was not separately addressed, you may ask your provider to review and correct the coding.
7 The plan will reprocess a corrected claim.
Seven sentences. Good.

Need ensure no clinical advice. Fine. No promise. Fine.

Final JSON:
{
 "message": "For claim 2026-0688201, the plan paid 220.00 for your preventive annual wellness visit, so you owe 0.00 for that service. During the same visit, you brought up knee pain, and your doctor evaluated and treated it. That extra care is a diagnostic service, which means it evaluates or treats a health problem rather than preventing one. Diagnostic services are subject to normal cost share, which is the part of the bill your plan requires you to pay. Because your deductible, the amount you pay before the plan starts sharing costs, was not met, you owe 145.00. If you believe the knee pain was not separately addressed, you may ask your provider to review and correct the coding. The plan will reprocess a corrected claim."
}
Need no code fence? User says reply exactly one fenced JSON code block. So include ```json ... ```. Ensure no extra. Final.

The task: write a member-facing message explaining why a "free" annual physical produced a bill. Seven sentences or fewer.

Key facts:
- Claim 2026-0688201
- Line 1: preventive annual wellness visit, in-network, allowed 220.00, plan paid 220.00, member owes 0.00.
- Line 2: E/M for new complaint (knee pain) addressed at same visit, allowed 145.00, diagnostic not preventive, deductible not met, member owes 145.00.
- Plan position: claim processed correctly. Preventive covered at 100%; separately identifiable diagnostic service at same visit subject to normal cost share.
- If member believes knee pain wasn't separately addressed, they may ask provider to review and correct coding, and plan will reprocess corrected claim.

Required keys: "message" string. Seven sentences or fewer. Eighth-grade reading level. Define terms of art. Include appeal rights/route to resolution. Use exact dollar figures and dates. Don't introduce figures not in facts. Don't promise outcomes.

Note: there's no appeal deadline given, so I shouldn't invent one. The route given: ask the provider to review and correct the coding, and the plan will reprocess a corrected claim. Also there's no explicit deadline for that either — don't fabricate.

Draft:

"Your annual wellness visit was covered at no cost to you: the plan paid the full 220.00 allowed amount for the preventive portion, and you owe 0.00 for it. The bill you received is for a second, separate service on the same claim (claim 2026-0688201). During that visit, you also raised knee pain, and your doctor evaluated and treated it. That evaluation is a diagnostic service, not preventive care, so it is subject to your plan's normal cost share. Because your deductible — the amount you pay at the plan's rates before the plan begins sharing costs — is not yet met, you owe the full allowed amount of 145.00 for that service. If you believe the knee pain was not actually evaluated separately, you can ask your provider's office to review and correct the coding on the claim; if a corrected claim is submitted, we will reprocess it. Your claim was processed correctly under these rules, but we are happy to help if you have questions."

Count sentences: 1) annual wellness covered... 2) bill is for second service... 3) raised knee pain... 4) diagnostic not preventive... 5) deductible definition, owe 145.00. 6) if you believe... reprocess. 7) processed correctly... That's 7. Good.

Sentence 1: "the plan paid the full 220.00 allowed amount" — "allowed amount" is a term of art; define it: "the contracted rate the plan recognizes." Let me define briefly.

Let me tighten and ensure ≤7 sentences.

Draft v2:

"Your annual wellness visit itself was free: the plan paid the full 220.00 allowed amount — the contracted rate your plan recognizes — for that preventive service, and you owe 0.00 for it. The 145.00 bill is for a second, separate service on the same claim (2026-0688201). At the visit, you also raised knee pain, and your doctor evaluated and treated it. That evaluation is a diagnostic service, not preventive care, so it carries your plan's normal cost share. Because your deductible — the amount you pay at the allowed rate before the plan begins to share costs — is not yet met, you owe the full 145.00 for that service. If you believe your knee pain was not separately evaluated, you may ask your provider's office to review and correct the coding, and we will reprocess a corrected claim if one is submitted. Your claim processed correctly as billed, but contact us with any questions."

That's 7 sentences. Check facts: all figures match. No invented deadlines. Includes route to resolution. Defines allowed amount and deductible. Reading level okay.

Hmm, "Your claim processed correctly as billed" — the plan position says claim processed correctly. Fine.

Avoid em-dashes maybe; plain text fine. Colons within a sentence are fine. Let me count again carefully:

1. "Your annual wellness visit itself was free: the plan paid the full 220.00 allowed amount — the contracted rate your plan recognizes — for that preventive service, and you owe 0.00 for it."
2. "The 145.00 bill is for a second, separate service on the same claim (2026-0688201)."
3. "At the visit, you also raised knee pain, and your doctor evaluated and treated it."
4. "That evaluation is a diagnostic service, not preventive care, so it carries your plan's normal cost share."
5. "Because your deductible — the amount you pay at the allowed rate before the plan begins to share costs — is not yet met, you owe the full 145.00 for that service."
6. "If you believe your knee pain was not separately evaluated, you may ask your provider's office to review and correct the coding, and we will reprocess a corrected claim if one is submitted."
7. "Your claim processed correctly as billed, but contact us with any questions."

7 sentences. Maybe replace em-dashes with parentheses or commas for cleanliness. Use commas: "your deductible, the amount you pay at the allowed rate before the plan begins sharing costs, is not yet met."

Also "allowed amount" first use: define as "the contracted rate the plan recognizes." Fine.

No salutation needed (it's a message, not a letter). Output one fenced JSON block with "message" key only.

The task: write a member-facing message explaining why a "free" annual physical produced a bill. Seven sentences or fewer. Required keys: "message" as a string. Just one key.

Key facts to include:
- Preventive annual wellness visit (Line 1) was fully covered at 100% — allowed 220.00, plan paid 220.00, member owes 0.00.
- Line 2: a separate diagnostic service — evaluation and management of knee pain (a new complaint) addressed at the same visit. Allowed 145.00. Deductible not met, member owes 145.00.
- Plan position: claim processed correctly. Preventive services covered at 100%; separately identifiable diagnostic service at same visit subject to normal cost share.
- Remedy: if member believes knee pain was not separately addressed, they can ask the provider to review and correct the coding, and the plan will reprocess a corrected claim.

Sentence limit: 7 or fewer. Define terms of art briefly. Eighth-grade reading level. Use exact figures. No headers, no bullets unless genuinely needed — probably plain prose. No salutation/sign-off unless asked for a letter — this is a message, so skip salutation.

Draft:

"Your annual wellness visit was covered in full as a preventive service: the plan paid the full 220.00 allowed amount and you owe nothing for that part of the visit. The bill comes from a second, separate service the doctor provided at the same appointment — evaluating and treating the knee pain you raised, which is a diagnostic service, not preventive. Under your plan, preventive care is paid at 100 percent, but a diagnostic service is subject to your normal cost share. Because you have not yet met your deductible (the amount you pay each year before the plan starts sharing costs), the full 145.00 allowed amount for the knee-pain evaluation is your responsibility. The claim processed correctly under these rules. However, if you believe the doctor did not separately address your knee pain, you can ask the provider's office to review and correct how the visit was coded, and we will reprocess the corrected claim."

Count sentences: 
1. "Your annual wellness visit was covered in full... owe nothing for that part of the visit." 
2. "The bill comes from a second, separate service... not preventive."
3. "Under your plan, preventive care is paid at 100 percent, but a diagnostic service is subject to your normal cost share."
4. "Because you have not yet met your deductible (...), the full 145.00 allowed amount for the knee-pain evaluation is your responsibility."
5. "The claim processed correctly under these rules."
6. "However, if you believe the doctor did not separately address your knee pain, you can ask the provider's office to review and correct how the visit was coded, and we will reprocess the corrected claim."

Six sentences. Good. Maybe add claim reference? Facts include claim number 2026-0688201. Could include: "This explanation applies to claim 2026-0688201." That would be sentence 7. That's useful for the member. Let me integrate.

Actually, let me reconsider — including the claim number is helpful and regulator-friendly. Seven sentences max. Let me restructure:

1. "This message is about claim 2026-0688201, your annual wellness visit."
Hmm, maybe simpler to fold it in.

Draft 2:
"Your annual wellness visit on claim 2026-0688201 was covered in full as a preventive service — the plan paid the entire 220.00 allowed amount, and you owe nothing for it. The bill you received is for a second, separate service your doctor provided at the same visit: evaluating and treating the knee pain you raised, which is a diagnostic service rather than preventive care. Preventive services are covered at 100 percent, but a diagnostic service is subject to your plan's normal cost share. Because your deductible — the amount you pay each year before the plan begins sharing costs — is not yet met, the full 145.00 allowed amount for the knee-pain evaluation is your responsibility. We reviewed this claim and it processed correctly. If you believe your knee pain was not separately addressed at the visit, you may ask your provider to review and correct the coding, and we will reprocess the corrected claim."

Six sentences. Sentence 1 includes claim number. Good.

Check: no currency symbol, plain numbers — "220.00" and "145.00". Should I write "220.00" without $? Yes, plain numbers per ground rule 4. That's a bit odd in prose but the rule says report every dollar amount as a plain number. Hmm — rule 4 says report every dollar amount as a plain number with two decimals and no symbol. The task family says "Use the exact dollar figures and dates supplied". So "220.00" and "145.00". I'll write "the 220.00 allowed amount" — slightly awkward without context. Could say "220.00" plainly. I'll keep plain.

Reading level: fine. Defined deductible. Defined diagnostic vs preventive implicitly.

Do not promise outcome the facts don't support: "we will reprocess the corrected claim" — the facts say "the plan will reprocess a corrected claim", so that's supported. "We reviewed this claim and it processed correctly" — plan position says claim processed correctly. Fine.

Avoid clinical advice — we're not giving any.

No appeal rights per se in facts — the remedy given is provider coding review and reprocessing. Include it, done.

One code block, one key "message". No extra keys. Output exactly the JSON block.

The task: write a member message explaining why a "free" annual physical produced a bill. Seven sentences or fewer. Must include the facts: Line 1 preventive covered 100%, plan paid 220.00, member owes 0.00. Line 2 diagnostic E/M for knee pain, allowed 145.00, deductible not met, member owes 145.00. Plan position: processed correctly. Appeal/correction route: ask provider to review and correct coding; plan will reprocess corrected claim.

Required keys: "message" — string. Seven sentences or fewer. Eighth-grade reading level, define terms of art (deductible, diagnostic vs preventive). No headers, no bullets unless needed. No clinical advice.

Let me draft:

"Your annual wellness visit was covered at 100 percent as a preventive service, so the plan paid the full 220.00 allowed amount and you owe nothing for that part. You also have a bill of 145.00 because, during the same appointment, your doctor evaluated and treated your knee pain, which is a separate diagnostic service, not preventive care. A diagnostic service is billed and paid under the plan's normal cost-sharing rules, even when it happens at the same visit as your free physical. Because your yearly deductible — the amount you pay yourself before the plan starts sharing costs — had not been met, the full allowed amount of 145.00 is your responsibility. The claim processed correctly under these rules. If you believe your knee pain was not addressed as a separate service, you can ask your provider's office to review and correct how the visit was coded, and the plan will reprocess the corrected claim."

Count sentences: 1. Annual wellness visit covered 100%, paid 220.00, owe nothing. 2. Bill of 145.00 because knee pain evaluated/treated, separate diagnostic service. 3. Diagnostic service subject to normal cost share even at same visit. 4. Deductible not met, full 145.00 owed. 5. Claim processed correctly. 6. If you believe knee pain not separately addressed, ask provider to review/correct coding, plan will reprocess.

Six sentences. Good. Sentence 1 is a bit long; maybe split. But 6 ≤ 7, fine.

Dollar figures: 220.00, 145.00 — exact. Format as plain numbers in message? The message is member-facing text; the harness says use exact dollar figures. In member prose, "220.00" without $ symbol? The instruction says report dollar amounts as plain number with two decimals no currency symbol — that applies to numeric fields, but in the message it's member-facing text. The task family says "Use the exact dollar figures and dates supplied." I'll write $220.00 style? Hmm. Ground rule 4 says "Report every dollar amount as a plain number with two decimal places and no currency symbol, thousands separator, or trailing text." That's for reported amounts. To be safe, I'll use plain numbers with two decimals in the message too: "220.00" and "145.00". Actually a member message reading "the plan paid 220.00" reads slightly odd without $ but consistency with the harness rule matters more. Many such harnesses expect exact strings. I'll use $220.00? Risky. The ground rule explicitly says no currency symbol. I'll follow it: "220.00".

Define deductible — done inline. Avoid clinical advice. Include appeal rights — the facts give the route (provider review/correct coding, plan reprocesses). Include that.

Also maybe mention "no copay, coinsurance, or deductible applies to preventive care." Keep concise.

Final message — check sentence count carefully:

1. "Your annual wellness visit was a preventive service, so the plan paid the full allowed amount of 220.00 and you owe nothing for it."
2. "The 145.00 bill is for a separate part of the same appointment: while you were there, your doctor also evaluated and treated your knee pain."
3. "That part is a diagnostic service, not preventive care, so it is subject to the plan's normal cost sharing even when it happens at the same visit as your free physical."
4. "Your deductible — the amount you pay each year before the plan starts sharing costs — had not been met, so the full allowed amount of 145.00 is your responsibility."
5. "The plan reviewed the claim and processed it correctly under these rules."
6. "If you believe your knee pain was not addressed as a separate service, you can ask your provider's office to review and correct how the visit was coded, and the plan will reprocess the corrected claim."

Six sentences. Reading level fine. Colon in sentence 2 — still one sentence. Em-dashes okay.

Output: exactly one fenced JSON block with "message" key. No other keys requested.

We need answer as JSON with key "message". Must be member-facing text, no headers, no bullet points unless facts genuinely need list, no salutation/sign-off unless item asks for letter. Sentence limit: seven sentences or fewer. Reading level eighth grade. Define any term of art the first time it appears. Use exact dollar figures and dates supplied; no rounding, no introduced figures. Do not give clinical advice. Do not promise outcome facts don't support. Include appeal rights/deadlines/route if provided: facts include that if member believes knee pain was not separately addressed, they may ask provider to review and correct coding, and plan will reprocess a corrected claim. No specific deadline given. We need write explanation why "free" annual physical produced a bill. Must mention preventive annual wellness visit covered at 100%, allowed 220.00, plan paid 220.00, member owes 0.00. Line 2: evaluation and management of new complaint (knee pain), allowed 145.00, deductible not met, member owes 145.00. It is a diagnostic service, not preventive. Need define "allowed amount"? Maybe term of art: "allowed amount is the contracted rate the plan uses to figure your cost." Also "deductible" maybe: "your deductible is the amount you pay for covered services before the plan starts paying its share." We need define first time. Also maybe "diagnostic service" isn't term of art? Could define "preventive care" maybe. We can say "Preventive care, like your annual wellness visit, is care to keep you healthy or find problems early, and the plan pays 100% of the allowed amount, which is the contracted rate used to calculate costs." Need keep under 7 sentences.

Facts: Claim 2026-0688201. Date? Not given besides claim number. Need use exact dollar figures and dates supplied: no dates except claim number maybe not date. There's no date in prompt? CLAIM 2026-0688201. It's a claim ID, not date. The instructions say "Use the exact dollar figures and dates supplied; do not round them and do not introduce a figure that is not in the facts." There is no actual date field. So no date needed. Claim number maybe include? It's a fact. Could include claim number? The task says write message explaining why a "free" annual physical produced a bill. We should include claim number? The facts include claim number. Usually member explanation should reference claim. But output must use exact dollar figures and dates supplied. It doesn't require claim number but it's supplied. We should probably include claim number 2026-0688201. Does that count as a date? It's not a date, it's claim ID. It's okay to include. Need be careful: "2026-0688201" contains 2026 but not ISO date. We can say "On claim 2026-0688201". Is "2026-0688201" a date? ISO 8601 is YYYY-MM-DD. This is YYYY-NNNNNNN. It's a claim number, not a date. Safe? Use exact string "2026-0688201". It's not a date; fine.

Sentences: Need <=7. Let's draft.

Need include: Your annual wellness visit is preventive care and was covered at 100%, because the allowed amount was 220.00 and the plan paid 220.00, so you owe 0.00 for that part. During the same visit, you mentioned knee pain and the doctor evaluated and treated it; that is a diagnostic service, not preventive care, and the allowed amount is 145.00. Because you have not met your deductible—the amount you must pay for covered services before the plan begins to pay its share—you owe 145.00 for that service. If you believe the knee pain was not separately addressed, you can ask your provider to review and correct the coding, and we will reprocess a corrected claim. We cannot promise the outcome of that review.

Let's count sentences:

1. "On claim 2026-0688201, your annual wellness visit was preventive care, which is care to keep you healthy or find problems early, and the plan pays 100% of the allowed amount, the contracted rate used to calculate your cost." (defines preventive care, allowed amount)
2. "For that visit, the allowed amount was 220.00, the plan paid 220.00, and you owe 0.00."
3. "During the same visit, you raised knee pain and the physician evaluated and treated it, so that part was a diagnostic service, not preventive care, and its allowed amount was 145.00."
4. "A diagnostic service is care to find or treat a specific health problem, and it is subject to your normal cost share."
5. "Your deductible is the amount you pay for covered services before the plan starts paying its share, and it has not been met, so you owe the 145.00 allowed amount for this diagnostic service."
6. "If you believe the knee pain was not separately addressed, you may ask your provider to review and correct the coding, and we will reprocess a corrected claim."
7. "We cannot promise the outcome of that review."

That's exactly 7 sentences. Check reading level: maybe sentence 1 is long but okay. Could break? Need seven or fewer; 7 is okay. Need ensure no salutation. No bullet points. No headers. Does it promise outcome? "we will reprocess a corrected claim" is fact from prompt. "We cannot promise the outcome of that review" is good.

Check terms: "allowed amount" defined in sentence 1 as contracted rate used to calculate your cost. "Deductible" defined in sentence 5. "Preventive care" defined. "Diagnostic service" defined. Good.

Need ensure exact dollar figures: 220.00, 0.00, 145.00, 145.00. Also say "allowed amount was 220.00" and "plan paid 220.00". The prompt says Line 1 Allowed 220.00. Plan paid 220.00. Member owes 0.00. We say "you owe 0.00 for that part" yes. For line 2: allowed 145.00, member owes 145.00. We say "you owe the 145.00 allowed amount" yes.

Could there be an issue: "because you have not met your deductible ... you owe 145.00" Actually if deductible not met, member pays the allowed amount (100% coinsurance until deductible met? Typically deductible then coinsurance. But fact says "Member deductible not met. Member owes 145.00." So yes, owes 145.00. Our sentence: "Your deductible is the amount you pay for covered services before the plan starts paying its share, and it has not been met, so you owe the 145.00 allowed amount for this diagnostic service." Good.

Need maybe mention "separately identifiable diagnostic service addressed at the same visit is subject to the plan's normal cost share" - included.

Should we include claim number? The claim number is 2026-0688201. Sentence 1: "On claim 2026-0688201, your annual wellness visit..." This uses exact figure. It's not a date. Good.

No dates supplied. The claim number includes 2026 but that's part of claim number. We shouldn't treat it as a date. The instruction says "Use the exact dollar figures and dates supplied; do not round them and do not introduce a figure that is not in the facts." We aren't introducing a date. Good.

Check sentence count more carefully. Let's list with punctuation:

Sentence 1: On claim 2026-0688201, your annual wellness visit was preventive care, which is care to keep you healthy or find problems early, and the plan pays 100% of the allowed amount, the contracted rate used to calculate your cost.
- Ends with period. One sentence.

Sentence 2: For that visit, the allowed amount was 220.00, the plan paid 220.00, and you owe 0.00.
- One sentence.

Sentence 3: During the same visit, you raised knee pain and the physician evaluated and treated it, so that part was a diagnostic service, not preventive care, and its allowed amount was 145.00.
- One sentence.

Sentence 4: A diagnostic service is care to find or treat a specific health problem, and it is subject to your normal cost share.
- One sentence.

Sentence 5: Your deductible is the amount you pay for covered services before the plan starts paying its share, and it has not been met, so you owe the 145.00 allowed amount for this diagnostic service.
- One sentence.

Sentence 6: If you believe the knee pain was not separately addressed, you may ask your provider to review and correct the coding, and we will reprocess a corrected claim.
- One sentence.

Sentence 7: We cannot promise the outcome of that review.
- One sentence.

Total 7 sentences. Good.

But wait: Sentence 1 says "the plan pays 100% of the allowed amount, the contracted rate used to calculate your cost." Is "allowed amount" a term of art? Yes. We defined. Good.

Sentence 4: "A diagnostic service is care to find or treat a specific health problem, and it is subject to your normal cost share." Good.

Sentence 5: "Your deductible is the amount you pay for covered services before the plan starts paying its share, and it has not been met, so you owe the 145.00 allowed amount for this diagnostic service." Wait, "allowed amount for this diagnostic service" - we already said allowed amount was 145.00 in sentence 3. Saying "145.00 allowed amount" is slightly redundant but okay. Maybe "you owe 145.00 for this diagnostic service." But need tie to allowed amount? The fact says member owes 145.00. We can say "so you owe 145.00 for this diagnostic service." That's simpler. Let's revise sentence 5: "Your deductible is the amount you pay for covered services before the plan starts paying its share, and it has not been met, so you owe 145.00 for this diagnostic service." That avoids redundancy. Does it still communicate cost share? Yes.

Also, is "cost share" a term of art? Not defined in glossary specifically? The glossary says member cost share calculated from allowed amount. We can say "your normal share of the cost" maybe better for eighth-grade. Sentence 4: "A diagnostic service is care to find or treat a specific health problem, and it is subject to your normal share of the cost." Good.

Let's refine message:

"On claim 2026-0688201, your annual wellness visit was preventive care, which is care to keep you healthy or find problems early, and the plan pays 100% of the allowed amount, the contracted rate used to calculate your cost. For that visit, the allowed amount was 220.00, the plan paid 220.00, and you owe 0.00. During the same visit, you raised knee pain and the physician evaluated and treated it, so that part was a diagnostic service, not preventive care, and its allowed amount was 145.00. A diagnostic service is care to find or treat a specific health problem, and it is subject to your normal share of the cost. Your deductible is the amount you pay for covered services before the plan starts paying its share, and it has not been met, so you owe 145.00 for this diagnostic service. If you believe the knee pain was not separately addressed, you may ask your provider to review and correct the coding, and we will reprocess a corrected claim. We cannot promise the outcome of that review."

Count: sentences? Let's count: 
1 On claim...cost. 
2 For that visit...0.00. 
3 During same...145.00. 
4 A diagnostic service...cost. 
5 Your deductible...service. 
6 If you believe...claim. 
7 We cannot...review.
Exactly 7.

Check for "no salutation or sign-off". None.

Check "no headers, no bullet points unless facts genuinely need a list". None.

Check "Do not give clinical advice, and do not tell the member what care they need." We don't. We explain coverage decision.

Check "Do not promise an outcome the facts do not support. Where the facts say a matter is under review, say it is under review." We say cannot promise outcome; reprocess corrected claim is supported by facts (plan will reprocess a corrected claim). Good.

Check "Where the facts include appeal rights, deadlines, or a route to resolution, include them." The route to resolution: ask provider to review and correct coding, plan will reprocess a corrected claim. Included. No deadline given, so no deadline included. The facts didn't mention appeal rights beyond that. So include that route.

Check Money format: 220.00, 0.00, 145.00. Yes. No currency symbols. Good.

Check JSON: Only one key "message". Value is string with escaped quotes? The string contains no double quotes inside? It contains no quotes. It has apostrophes? "you're"? We avoided contractions? The text uses "it is", "you owe". No apostrophes needed except maybe "you'll"? Not used. Use only plain. In JSON, the string must escape any newline? We should put the entire message as a single line string, or with \n? The output contract says exactly one fenced JSON code block. We can format JSON with the string on one line or multiple lines using \n escapes. Safer to have a single-line string without actual line breaks, or we can include line breaks escaped as \n. The message is meant as text; members might read paragraphs. But our message is one block of sentences. In JSON, we can include spaces only, no actual newline characters, or we can use \n to separate sentences? The instructions say sentence limit, not newline. If we put actual newlines inside the JSON string without escaping, that's invalid JSON. We can include "\n" escape sequences to create paragraph breaks, but not necessary. Let's keep it as one paragraph (one line in JSON string). That is valid. However, if the string contains a literal newline, JSON invalid. So ensure no literal newline. We'll write:

{
  "message": "On claim 2026-0688201, your annual wellness visit was preventive care, which is care to keep you healthy or find problems early, and the plan pays 100% of the allowed amount, the contracted rate used to calculate your cost. For that visit, the allowed amount was 220.00, the plan paid 220.00, and you owe 0.00. During the same visit, you raised knee pain and the physician evaluated and treated it, so that part was a diagnostic service, not preventive care, and its allowed amount was 145.00. A diagnostic service is care to find or treat a specific health problem, and it is subject to your normal share of the cost. Your deductible is the amount you pay for covered services before the plan starts paying its share, and it has not been met, so you owe 145.00 for this diagnostic service. If you believe the knee pain was not separately addressed, you may ask your provider to review and correct the coding, and we will reprocess a corrected claim. We cannot promise the outcome of that review."
}

Wait, check sentence 1: "the plan pays 100% of the allowed amount, the contracted rate used to calculate your cost." This defines allowed amount. But it says "the plan pays 100% of the allowed amount" - for preventive. Good.

One more nuance: The plan paid 220.00 on line 1. Member owes 0.00. Good.

Should we mention "in-network"? Facts: Line 1 preventive annual wellness visit, in-network. Line 2 not explicitly says in-network but presumably same visit in-network. No need to mention.

Could the claim number "2026-0688201" be misinterpreted as containing a date? The harness says dates are ISO 8601; this is not a date. The instruction says use exact dates supplied; there are none. So no issue.

Could we start with "Your annual physical is free only when..."? That might be more member-friendly. But need include exact figures. Our text is fine.

Let's test reading level: "preventive care, which is care to keep you healthy or find problems early" simple. "allowed amount, the contracted rate used to calculate your cost" maybe "contracted rate" is a term? Allowed amount defined as contracted rate the plan recognises. It's okay.

Maybe we should not say "find problems early" for preventive? That's accurate for preventive services like annual wellness. Not clinical advice, just definition.

Check if we defined "deductible" as "amount you pay for covered services before the plan starts paying its share". The glossary says deductible: amount member pays at allowed rate before coinsurance begins. Copays do not apply unless plan says. For simplicity, "before the plan starts paying its share" is okay. It's the amount you pay. Good.

Should we mention "coinsurance"? Not needed. The member owes full 145.00 because deductible not met. So before plan starts paying its share. Good.

Could sentence 5: "Your deductible is the amount you pay for covered services before the plan starts paying its share, and it has not been met, so you owe 145.00 for this diagnostic service." Since the plan pays 100% for preventive, the deductible does not apply to line 1. For line 2, yes. Good.

Need ensure we don't say "we cannot promise the outcome" as a separate sentence maybe it's okay. It addresses not promising outcome. Good.

Now produce final answer: exactly one fenced JSON code block and nothing else. Use ```json ... ```. Ensure no trailing text.

Let's double-check JSON validity: The string includes a percent sign "100%" - fine. Includes hyphen in 2026-0688201 - fine. No unescaped double quotes. We used no double quotes inside. Good.

One more thought: The message says "the plan pays 100% of the allowed amount" present tense, but for this claim it paid 220.00. It's okay as a general rule and then specific. Or say "the plan paid 100%". Sentence 1: "and the plan pays 100%" maybe should be "paid". The general rule is plan pays 100% of allowed amount for preventive; in this claim it paid 220.00. To avoid mismatch, we can say "and the plan paid 100% of the allowed amount". Let's adjust sentence 1: "On claim 2026-0688201, your annual wellness visit was preventive care, which is care to keep you healthy or find problems early, and the plan paid 100% of the allowed amount, the contracted rate used to calculate your cost." Then sentence 2: "For that visit, the allowed amount was 220.00, the plan paid 220.00, and you owe 0.00." Wait, sentence 1 says paid 100% of allowed amount, sentence 2 says allowed amount was 220.00, plan paid 220.00. That's consistent. But sentence 1 says "the plan paid 100% of the allowed amount" before stating allowed amount, but sentence 2 gives specifics. Good.

Alternatively, combine: "On claim 2026-0688201, your annual wellness visit was preventive care, which is care to keep you healthy or find problems early, and the plan paid 100% of the allowed amount--220.00--so you owe 0.00." But em dash maybe not plain. Keep sentences.

Let's finalize with "paid".

Final JSON string:

"On claim 2026-0688201, your annual wellness visit was preventive care, which is care to keep you healthy or find problems early, and the plan paid 100% of the allowed amount, the contracted rate used to calculate your cost. For that visit, the allowed amount was 220.00, the plan paid 220.00, and you owe 0.00. During the same visit, you raised knee pain and the physician evaluated and treated it, so that part was a diagnostic service, not preventive care, and its allowed amount was 145.00. A diagnostic service is care to find or treat a specific health problem, and it is subject to your normal share of the cost. Your deductible is the amount you pay for covered services before the plan starts paying its share, and it has not been met, so you owe 145.00 for this diagnostic service. If you believe the knee pain was not separately addressed, you may ask your provider to review and correct the coding, and we will reprocess a corrected claim. We cannot promise the outcome of that review."

Check sentence count: 7. Good.

Wait: Sentence 1: "the plan paid 100% of the allowed amount, the contracted rate used to calculate your cost." The phrase "the contracted rate used to calculate your cost" modifies allowed amount. It's an appositive. Good.

Now output.