Parityhealth-plan operations benchmark
Quality measure logic · QM-012 · hard

Age 45 at year end

Record written for Parity against synthetic measure QM-CRC. One year below the eligible floor. Tests whether age is evaluated at the specified anchor date.

Field mean
97.6
across 28 models
Models scoring 100
26
of 28
Models scoring 0
0
of 28

What the model was given

Item context, placed in the system position after the shared preamble
MEASURE QM-CRC — COLORECTAL CANCER SCREENING
Measurement year: 2026-01-01 through 2026-12-31.

ELIGIBLE POPULATION (denominator)
  Age: 46 through 75 years as of 2026-12-31.
  Continuous enrolment: the full measurement year with no more than one gap of up
    to 45 days.

NUMERATOR — any one of the following, by the look-back window measured back from
2026-12-31:
  N1. Faecal occult blood test or faecal immunochemical test during 2026.
  N2. Stool DNA test during 2026 or the two years prior (three-year window).
  N3. Flexible sigmoidoscopy during 2026 or the four years prior (five-year
      window).
  N4. CT colonography during 2026 or the four years prior (five-year window).
  N5. Colonoscopy during 2026 or the nine years prior (ten-year window).

REQUIRED EXCLUSIONS
  E1. Colorectal cancer (C18-C21) any time on or before 2026-12-31.
  E2. Total colectomy any time on or before 2026-12-31.
  E3. Hospice at any time during the measurement year.
  E4. Age 66 or older as of 2026-12-31 AND both frailty and advanced illness
      documented during the measurement year. Frailty alone does not exclude, and
      advanced illness alone does not exclude.
Prompt
MEMBER RECORD

MEMBER 40205. Date of birth 1981-05-22, so 45 years old on 2026-12-31.
Enrolment: 2026-01-01 through 2026-12-31, continuous.
History:
  2026-04-08  Faecal immunochemical test, negative.
No colorectal cancer, no colectomy, no hospice.
Gold answer and grader
json{
  "kind": "fields",
  "fields": {
    "status": "not_eligible"
  }
}

Every model's answer

Sorted by score. Open a row for the response and, where the vendor exposes it, the reasoning behind it.

100Claude Fable 5.1 · Anthropic6.9s · 124 out | 4.0s · 139 out | 6.3s · 157 out
Attempt 1
Age 45 as of 2026-12-31 — below the 46 minimum, so never enters the denominator regardless of the FIT.

json{
  "status": "not_eligible",
  "reason": "Member is 45 as of 2026-12-31, below the 46-year minimum age for the denominator; the 2026-04-08 FIT does not change eligibility."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 2
Reasoning · 59 tokens
[omitted]
json{
  "status": "not_eligible",
  "reason": "Member is 45 years old as of 2026-12-31, below the 46-year minimum age for the denominator, so the 2026-04-08 FIT does not count."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 3
Age check: DOB 1981-05-22, on 2026-12-31 the member is 45. The measure requires age 46–75 as of 2026-12-31, so the member never enters the denominator regardless of the FIT in 2026.

json{
  "status": "not_eligible",
  "reason": "Member is 45 as of 2026-12-31, below the 46 through 75 age requirement, so never enters the denominator despite the 2026-04-08 FIT."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
100Gemini 3.7 Flash · Google2.9s · 287 out | 3.9s · 334 out | 3.8s · 333 out
Attempt 1
Reasoning · 225 tokens
**Evaluating Member 40205**

I'm focused on assessing MEMBER 40205 against the QM-CRC measure. My current work involves verifying their eligibility based on the 2026 measurement year and the specified age range.

json{
  "status": "not_eligible",
  "reason": "The member is 45 years old as of 2026-12-31, falling below the required age range of 46 through 75 years."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 2
Reasoning · 273 tokens
**Analyzing Eligibility Criteria**

I'm currently focused on refining the eligibility for QM-CRC. My recent thoughts center on precisely calculating member age as of the measurement end date, specifically for individuals born in 1981, to ensure accurate inclusion within the 46-75 year old bracket.

json{
  "status": "not_eligible",
  "reason": "The member is 45 years old as of 2026-12-31, failing the denominator age requirement of 46 through 75 years."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 3
Reasoning · 272 tokens
**Calculating Eligibility Status**

My current focus is on determining member eligibility. I've analyzed a member's DOB against a specific cutoff date and calculated their age. This age then informs whether they meet the defined age bracket for eligibility. The outcome, in this instance, is a "not_eligible" status due to not meeting the age requirement.

json{
  "status": "not_eligible",
  "reason": "The member is 45 years old as of 2026-12-31, failing the denominator age criterion of 46 through 75 years."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
100GPT-5.5 · OpenAI2.9s · 102 out | 1.8s · 91 out | 1.8s · 98 out
Attempt 1
Reasoning · 59 tokens
**Determining eligibility status**

I need to provide a JSON response with just the necessary keys: status and reason. Since this task is for QM-CRC and not FUM, I should focus only on the status reason. The individual’s age will be 45 on December 31, 2026, which means they're not eligible as they need to be between 46 and 75. I'll keep the reason brief, under 30 words, to meet the requirement.
json{"status":"not_eligible","reason":"Age 45 on 2026-12-31 is below the 46-to-75 denominator age range."}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 2
json{"status":"not_eligible","reason":"Age 45 on 2026-12-31, below the 46-through-75 denominator age range."}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 3
json{
  "status": "not_eligible",
  "reason": "Age 45 on 2026-12-31, below the 46–75 denominator age range."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
100GPT-5.6 Sol · OpenAI1.2s · 44 out | 2.1s · 45 out | 1.4s · 45 out
Attempt 1
json{
  "status": "not_eligible",
  "reason": "Age 45 on 2026-12-31 is below the denominator minimum of 46."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 2
json{
  "status": "not_eligible",
  "reason": "Age 45 on 2026-12-31 is below the denominator minimum age of 46."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 3
json{
  "status": "not_eligible",
  "reason": "Age 45 on 2026-12-31 is below the denominator minimum age of 46."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
100Grok 4.6 · xAI5.7s · 320 out | 15.1s · 400 out | 5.4s · 337 out
Attempt 1
Reasoning · 280 tokens
The member is 45 years old on 2026-12-31. Date of birth 1981-05-22.
json{"status": "not_eligible", "reason": "Age 45 as of 2026-12-31 is below the 46–75 denominator age criterion."}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 2
Reasoning · 353 tokens
The task is about quality measure logic for colorectal cancer screening, QM-CRC.
json{
  "status": "not_eligible",
  "reason": "Age 45 as of 2026-12-31 is below the 46-through-75 denominator age criterion."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 3
Reasoning · 295 tokens
The member is 45 years old on 2026-12-31. Date of birth 1981-05-22.
json{"status": "not_eligible", "reason": "Age is 45 as of 2026-12-31, below the denominator requirement of 46 through 75."}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
100Gemini 3.1 Pro · Google9.5s · 830 out | 7.7s · 548 out | 9.0s · 801 out
Attempt 1
Reasoning · 773 tokens
**My Thought Process for Evaluating Member 40205 against QM-CRC for 2026**

Alright, let's get down to business evaluating MEMBER 40205 for the colorectal cancer screening measure, QM-CRC, for the 2026 measurement year.

First, I need to establish the parameters of the measure itself. For QM-CRC, the measurement year runs from January 1, 2026, to December 31, 2026. The eligible population is quite specific: individuals must be between 46 and 75 years old *as of December 31, 2026*. They also need to have been continuously enrolled for the entire measurement year, with at most one gap of up to 45 days. The numerator criteria (N1-N5) and exclusions (E1-E4) are important later, but only if the member actually qualifies for the denominator.

Now, let's look at the member's data. Member 40205 has a Date of Birth (DOB) of May 22, 1981. My immediate task is to determine their age on December 31, 2026. Simple subtraction: 2026 minus 1981 equals 45 years. A quick mental check confirms this is correct.

Here's the critical point: the eligible population for QM-CRC requires members to be *46 through 75 years old* as of December 31, 2026. Since this member is 45 years old on that date, they fall *below* the minimum age requirement.

Because the member doesn't meet the age criteria for the denominator, their status for this measure is "not_eligible." This is regardless of any other clinical data, like a FIT test performed on April 8, 2026. The prompt is clear on this: a member who never enters the denominator, for any reason, is "not_eligible" even if they have a compliance event.

Now, I need to format this into the required JSON output, specifically focusing on the "status" and "reason" keys.

The "status" is definitively "not_eligible".

For the "reason," it needs to be a single sentence, under 30 words, clearly explaining why they are not eligible. I'll start with a draft: "Member is 45 years old as of 2026-12-31, which is below the eligible denominator age of 46." This is 18 words, concise, and accurate. I considered another phrasing: "Member is 45 years old as of 2026-12-31, which does not meet the eligible age range of 46 through 75." That's 21 words, also good. Or even simpler: "Member is 45 years old as of 2026-12-31, which is below the minimum eligible age of 46." That's 18 words and very direct. I'll stick with that last one for clarity and brevity.

I also need to double-check that I'm not including any unnecessary keys. The prompt specifies that keys like "met_7_day" or "met_30_day" are only required for QM-FUM, not QM-CRC. So, I will omit those.

Finally, I'll ensure the output adheres to all constraints: a single fenced JSON block with just "status" and "reason".

So, the final output will be:
```json
{
  "status": "not_eligible",
  "reason": "Member is 45 years old as of 2026-12-31, which is below the minimum eligible age of 46."
}
```
This looks correct and addresses all requirements.

json{
  "status": "not_eligible",
  "reason": "Member is 45 years old as of 2026-12-31, which is below the minimum eligible age of 46."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 2
Reasoning · 495 tokens
**My Thought Process for Evaluating Colorectal Cancer Screening Eligibility**

Alright, let's dive into this QM-CRC evaluation for the 2026 measurement year. My primary objective here is to determine if this member meets the quality measure's requirements and, if not, articulate why precisely.

First, I need to establish the *eligibility criteria*, or what the measure defines as the *denominator*. For QM-CRC in 2026, this means the member must be between 46 and 75 years old as of December 31st, 2026, *and* they must have been continuously enrolled throughout the entire measurement year, allowing for no more than one gap of up to 45 days.

Now, let's look at the *member's details*. Their Date of Birth (DOB) is May 22nd, 1981. Their enrolment period is clearly stated as January 1st, 2026, through December 31st, 2026. They also had a specific event recorded: a Faecal Immunochemical Test (FIT) on April 8th, 2026.

The first and most critical check is *age*. The denominator explicitly states the age range as 46 to 75 on December 31st, 2026. I quickly calculate the member's age as of that date: 2026 minus 1981 equals 45 years old. A quick mental check of the DOB confirms this – they wouldn't hit their 46th birthday until May 2027.

Since the member is 45 years old on December 31st, 2026, they fall *below* the minimum eligible age of 46. This is a definitive disqualifier for the denominator.

Therefore, my immediate conclusion is that the member is "**not_eligible**". The reason is straightforward: "Member is 45 years old as of 2026-12-31, which is below the minimum eligible age of 46." I'll refine this to be more formal and concise for the output.

A quick review of the required JSON keys is also necessary. The task specifies `"status"` and `"reason"`. It also mentions that QM-FUM measures would require `"met_7_day"` and `"met_30_day"`, but this is QM-CRC, so those are irrelevant here.

My final output needs to be a single JSON object. I'll construct it with the determined status and a well-phrased reason. The reason needs to clearly articulate the age discrepancy against the defined threshold. I'll aim for clarity and conciseness, ensuring it directly addresses the unmet criterion. Something like: "The member is 45 years old on December 31 of the measurement year, which falls below the minimum eligible age of 46." This clearly and accurately captures the disqualifying factor.

Finally, I double-check the output contract: "Reply with exactly one fenced JSON code block and nothing else." My generated JSON will adhere to this.

```json
{
  "status": "not_eligible",
  "reason": "The member is 45 years old on December 31 of the measurement year, which falls below the minimum eligible age of 46."
}
```

json{
  "status": "not_eligible",
  "reason": "The member is 45 years old as of the end of the measurement year, which is below the minimum eligible age of 46."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 3
Reasoning · 738 tokens
**Evaluating Member Eligibility for QM-CRC (2026 Measurement Year)**

My primary objective here is to determine if this particular member qualifies for the QM-CRC measure for the 2026 measurement year. This involves a two-part check for the eligible population, or denominator: they must be between 46 and 75 years old as of December 31, 2026, and they need to have been continuously enrolled for the entire measurement year, with at most one gap of up to 45 days.

I've been given the member's date of birth as 1981-05-22. My first step is to calculate their age as of the specified cutoff date, December 31, 2026. A quick subtraction, 2026 minus 1981, yields 45 years.

Now, I need to compare this calculated age against the measure's denominator requirement, which clearly states "46 through 75 years." Since the member is only 45 years old on December 31, 2026, they fall outside this specified age range. Consequently, they do not meet the age criterion for the denominator.

Given this failure to meet the age requirement, my immediate conclusion is that the member is "not_eligible." The reason for this status needs to be concise and directly address the disqualifying factor. I'll formulate the reason as: "The member is 45 years old on 2026-12-31, which does not meet the denominator age requirement of 46 through 75 years." I've counted the words in this statement, and it's 21 words, well within the desired limit of under 30 words.

It's important to note that while other criteria like continuous enrollment or the presence of a specific test within the measurement year might be relevant for *other* measures, they don't come into play if the member never qualifies for the denominator in the first place. The rule is clear: a member who never enters the denominator is considered "not_eligible," regardless of any other potential compliance events.

Therefore, the final output I need to generate is a JSON object containing the "status" as "not_eligible" and the precise "reason" I've formulated. I also confirmed that the additional keys ("met_7_day", "met_30_day") are not applicable to QM-CRC, as they are specifically for QM-FUM.

The resulting JSON structure will be:
```json
{
  "status": "not_eligible",
  "reason": "The member is 45 years old on 2026-12-31, which does not meet the denominator age requirement of 46 through 75 years."
}
```

json{
  "status": "not_eligible",
  "reason": "The member is 45 years old on 2026-12-31, which does not meet the denominator age requirement of 46 through 75 years."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
100Claude Opus 5 · Anthropic2.2s · 123 out | 2.6s · 133 out | 1010.7s · 134 out
Attempt 1
json{
  "status": "not_eligible",
  "reason": "Age 45 as of 2026-12-31, below the required 46-year minimum, so member never enters the denominator."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 2
json{
  "status": "not_eligible",
  "reason": "Age 45 as of 2026-12-31, below the required 46-75 age range, despite the 2026-04-08 FIT."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 3
json{"status":"not_eligible","reason":"Age 45 as of 2026-12-31, below the 46-year minimum, so member never enters the denominator despite the 2026-04-08 FIT."}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
100Gemini 3 Flash · Google10.5s · 1,441 out | 8.8s · 871 out | 10.0s · 1,108 out
Attempt 1
Reasoning · 1,378 tokens
**My Thought Process on Member Eligibility for QM-CRC**

I've been tasked with determining the eligibility status for a specific member under the QM-CRC (Colorectal Cancer Screening) measure for the 2026 measurement year. My primary objective is to confirm if this member falls within the defined eligible population and, if so, whether they met the compliance criteria.

First, I need to establish the parameters for the eligible population. The measure specifies that individuals must be between 46 and 75 years of age as of December 31, 2026. Additionally, they must have been continuously enrolled for the entire measurement year (January 1, 2026, to December 31, 2026), with a tolerance for no more than one gap of 45 days.

Next, I've been given specific details about the member: Member ID 40205, with a Date of Birth of May 22, 1981. Their enrollment status is confirmed as continuous from January 1, 2026, to December 31, 2026. They also have a history of a Faecal Immunochemical Test (FIT) on April 8, 2026.

The critical step now is to calculate the member's age as of December 31, 2026.
*   The member was born in 1981.
*   The end of the measurement year is December 31, 2026.
*   Subtracting the birth year from the measurement year: 2026 - 1981 = 45.
*   Crucially, the member's 45th birthday falls on May 22, 2026. Therefore, as of December 31, 2026, the member is indeed 45 years old.

Now I compare this calculated age to the eligible age range: 46 through 75.
*   The member's age (45) is less than the minimum required age of 46.

This discrepancy immediately flags the member as not eligible for the denominator. A core principle is that if a member doesn't qualify for the eligible population in the first place, any compliance events they might have are irrelevant for this measure. So, even though the member had a FIT test in 2026, this compliance event does not make them eligible if they are not in the defined denominator.

Therefore, my conclusion is that the member is "not_eligible."

The specific reason for this status is that the member is 45 years old as of December 31, 2026, which falls below the minimum age requirement of 46 years for inclusion in the eligible population for the QM-CRC measure. I've double-checked the age calculation and the age range requirement to ensure accuracy. The reason statement needs to be concise and directly address this age criterion failure. I've considered the wording and aim for clarity, stating: "The member is 45 years old as of 2026-12-31, failing to meet the minimum age requirement of 46 years for the eligible population." This is clear, accurate, and within the expected length for a reason. I also noted that the `met_7_day` and `met_30_day` keys are not relevant here, as those pertain to a different QM measure (QM-FUM), not QM-CRC.

json{
  "status": "not_eligible",
  "reason": "The member is 45 years old as of 2026-12-31, failing to meet the required age range of 46 through 75 years."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 2
Reasoning · 808 tokens
**My Thought Process for QM-CRC Measurement Analysis**

Alright, let's break down this Colorectal Cancer Screening (QM-CRC) measurement for Member ID 40205. My primary goal here is to determine if this member is eligible and compliant for the 2026 measurement year.

First, I need to understand the core requirements of the QM-CRC measure. The measurement year is clearly defined as January 1, 2026, through December 31, 2026. For eligibility in the denominator, the individual must be between 46 and 75 years old *as of December 31, 2026*. They also need to have continuous enrollment for the entire measurement year, with a slight allowance for a single gap of no more than 45 days.

Next, I look at the numerator criteria, which outlines what constitutes compliance. This includes various screening methods: a Fecal Occult Blood Test (FOBT) or Fecal Immunochemical Test (FIT) within 2026, a Stool DNA test within a 3-year window, or specific imaging/procedures like flexible sigmoidoscopy (5-year window), CT colonography (5-year window), or colonoscopy (10-year window).

Then, I review the exclusions. These are critical. They include a diagnosis of colorectal cancer at any time, a total colectomy at any time, being in hospice care during 2026, or for those aged 66 and older in 2026, having both frailty *and* advanced illness.

Now, I turn my attention to the specific member data provided. Member ID 40205 has a Date of Birth of May 22, 1981. I calculate their age as of December 31, 2026. Subtracting 1981 from 2026 gives me 45. Since their birthday is in May and the calculation date is December, they are definitively 45 years old on December 31, 2026.

Regarding enrollment, the data states they were continuously enrolled from January 1, 2026, to December 31, 2026, which meets that criterion. They also had a FIT performed on April 8, 2026, which would satisfy a numerator requirement *if* they were eligible.

Finally, I check for exclusions. The record indicates no history of colorectal cancer, no total colectomy, and no hospice enrollment. The frailty/advanced illness exclusion isn't applicable as they are not yet 66.

The crucial point, however, is the age requirement. The measure explicitly states the age range is "46 through 75 years as of 2026-12-31." My calculation confirms this member is 45 years old on that date. Therefore, they **do not meet the age requirement**.

This immediately sets their status to `not_eligible`. The reason is straightforward: their age of 45 on the critical date falls below the minimum required age of 46.

A quick self-correction/verification confirms this. The measure specifies 46-75, the member's record shows 45 on the calculation date, and the DOB calculation supports this. I also noted that QM-FUM keys aren't relevant here, as this is a QM-CRC measure.

My final output needs to reflect this "not_eligible" status and a concise reason. I'll phrase the reason to be precise about why they are ineligible, focusing on the age criteria.

**Final JSON keys I'm aiming for:**
*   "status": "not_eligible"
*   "reason": "The member is 45 years old as of 2026-12-31, which is below the minimum age requirement of 46 years."

json{
  "status": "not_eligible",
  "reason": "The member is 45 years old as of 2026-12-31, which is below the required age range of 46 through 75 years."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 3
Reasoning · 1,045 tokens
**Analysis of Colorectal Cancer Screening (QM-CRC) Eligibility for Member 40205**

My objective here is to determine the eligibility of Member 40205 for the Colorectal Cancer Screening (QM-CRC) measure during the 2026 measurement year.

First, I need to establish the criteria for the eligible population, or denominator, for this measure. The measurement year is set from January 1, 2026, to December 31, 2026. Crucially, the age requirement for the eligible population is between 46 and 75 years old, inclusive, as of December 31, 2026. Additionally, members must have continuous enrollment throughout the entire measurement year, with no more than one gap of 45 days.

Now, I'll focus on Member 40205. I have their date of birth as May 22, 1981. To ascertain their age as of December 31, 2026, I perform the calculation: 2026 minus 1981, which gives me 45 years. Since their birthday (May 22nd) falls *before* December 31st in 2026, they have indeed completed 45 full years and have not yet reached their 46th birthday by the end of the measurement year. Therefore, on December 31, 2026, Member 40205 is precisely 45 years old.

Comparing this to the measure's age requirement of 46 through 75 years as of December 31, 2026, it's clear that the member's age of 45 falls below the minimum threshold of 46. Consequently, they do not meet the age criterion.

Given this, I conclude that Member 40205 is "not_eligible" for the QM-CRC measure. The specific reason for this ineligibility is that they are 45 years old on December 31, 2026, thus failing to meet the minimum age requirement of 46 years. I've refined this reason to be concise and accurate: "The member is 45 years old on 2026-12-31, failing to meet the minimum age requirement of 46 years."

I also performed a self-correction to ensure my age calculation was robust. Confirming that the period from May 22, 1981, to December 31, 2026, indeed results in the member being 45 years old, further solidified my finding. The prompt's explicit mention of the member being 45 on that date also served as a valuable confirmation.

Finally, I reviewed the expected output structure. For QM-CRC, the required keys are `status` and `reason`. The specific keys I've determined are `status: "not_eligible"` and `reason: "The member is 45 years old on 2026-12-31, failing to meet the minimum age requirement of 46 years."` I also confirmed that I don't need to include keys like `met_7_day` or `met_30_day`, as those are specific to other measures like QM-FUM. My refined reason, "The member is 45 years old on 2026-12-31, which does not meet the eligible age criteria of 46 through 75 years," is a precise and compliant statement.

json{
  "status": "not_eligible",
  "reason": "The member is 45 years old on 2026-12-31, which does not meet the eligible age criteria of 46 through 75 years."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
100Kimi K3 · Moonshot14.2s · 181 out | 19.8s · 113 out | 7.0s · 208 out
Attempt 1
Reasoning · 115 tokens
The member is 45 years old on 2026-12-31. The denominator requires age 46 through 75 as of 2026-12-31. Born 1981-05-22, so on 2026-12-31 they are 45 years old. Not eligible — never enters the denominator, even though they have a FIT test in 2026.

Status: "not_eligible". Reason: age 45 as of 2026-12-31, below the 46-75 eligible age range.
json{
  "status": "not_eligible",
  "reason": "Member is 45 years old as of 2026-12-31, below the denominator age range of 46 through 75, despite a 2026 FIT result."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 2
Reasoning · 0 tokens
The member is 45 years old on 2026-12-31. Measure requires age 46 through 75 as of 2026-12-31. So not eligible — never enters denominator. Even though FIT test done in 2026, age fails.
json{
  "status": "not_eligible",
  "reason": "Member is 45 years old as of 2026-12-31, below the denominator age floor of 46."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 3
Reasoning · 136 tokens
Member 40205. DOB 1981-05-22. On 2026-12-31, age = 45 (turned 45 on 2026-05-22). Eligible population requires age 46 through 75 as of 2026-12-31. Member is 45, so not eligible — never enters denominator, even though FIT test present.

Status: not_eligible. Reason: member is 45 as of 2026-12-31, below the minimum age of 46 for the denominator.

Under 30 words. This is QM-CRC, not QM-FUM, so no extra keys.
json{
  "status": "not_eligible",
  "reason": "Member is 45 years old as of 2026-12-31, below the denominator minimum age of 46, so never enters the measure despite the 2026 FIT."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
100Gemini 2.5 Pro · Google7.8s · 656 out | 11.2s · 1,044 out | 10.5s · 787 out
Attempt 1
Reasoning · 602 tokens
Alright, let's break down this member's record against the QM-CRC quality measure for the 2026 measurement year.

First, I need to meticulously analyze the provided member data. I've got Member ID 40205, born in 1981. Calculating their age as of December 31, 2026, puts them at 45 years old. Their enrollment for the entire measurement year, from January 1, 2026, to December 31, 2026, is continuous, which is a crucial prerequisite.

Looking at their clinical history, I see a Faecal Immunochemical Test (FIT) performed on April 8, 2026, and importantly, it was negative. This is a key piece of information for CRC screening. I also need to check for any exclusion criteria. Based on the provided data, there's no mention of colorectal cancer, no history of total colectomy, and no indication of hospice care. The member is 45, so the specific exclusion for frailty and advanced illness (E4) in older patients (66+) is definitely not applicable here.

Now, I'll directly compare this against the QM-CRC specification. The measure is focused on Colorectal Cancer Screening, and the measurement year is indeed the full calendar year of 2026.

The critical step is checking for denominator eligibility. The QM-CRC specification requires members to be between 46 and 75 years old as of December 31, 2026. My calculation shows this member is 45 on that date. Since 45 falls outside the [46, 75] age range, this member is **not eligible** for the denominator.

Therefore, my determination is straightforward: the status is "not_eligible." The reason is precisely because the member's age of 45 at the end of the measurement year does not meet the stipulated age requirement of 46 to 75.

Just a final check: the member *did* have a compliant event (the negative FIT test in 2026), and they meet the continuous enrollment and exclusion criteria. However, eligibility is always the first hurdle. Since they don't clear the age requirement, all subsequent considerations about numerator compliance become moot for this particular measure.

So, the JSON output will reflect this: `"status": "not_eligible"` and `"reason": "The member is 45 years old as of the end of the measurement year, falling outside the required age range of 46 to 75."`
json{
  "status": "not_eligible",
  "reason": "The member's age of 45 at the end of the measurement year is outside the required range of 46 to 75."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 2
Reasoning · 988 tokens
Alright, let's break down this QM-CRC evaluation for Member 40205. My task is to assess their record against the quality measure, specifically focusing on the logic and outputting a JSON with a `status` and `reason`.

First, I need to fully understand the QM-CRC measure itself.
*   The **measurement year** is clear: 2026.
*   The **denominator** – the population eligible for this measure – requires members to be between 46 and 75 years old by the end of 2026. They also need to have been enrolled for the entire measurement year, with only minor gaps allowed.
*   The **numerator** outlines what counts as compliance. There are several pathways: a FIT test or FOBT in 2026 (N1), a stool DNA test in 2024-2026 (N2), a flexible sigmoidoscopy from 2022-2026 (N3), a CT colonography from 2022-2026 (N4), or a colonoscopy from 2017-2026 (N5).
*   Then there are the **exclusions**. These prevent members from being counted even if they meet the numerator criteria. They include a history of colorectal cancer, a history of a total colectomy, being on hospice in 2026, or being 66 or older with frailty and advanced illness in 2026.

Now, let's look at the specific member, 40205.
*   Their **DOB** is 1981-05-22.
*   To determine their age for the end of the measurement year (2026-12-31), I calculate: 2026 minus 1981 equals 45. So, this member will be 45 years old.
*   Their **enrolment** is from 2026-01-01 to 2026-12-31, which is continuous and meets the criteria.
*   In terms of **history**, they had a negative FIT test on 2026-04-08.
*   Regarding **exclusion conditions**, they have no history of colorectal cancer, no colectomy, and no hospice care. Crucially, since they are only 45, exclusion E4 (age >= 66 and frailty/advanced illness) simply doesn't apply.

So, the step-by-step evaluation proceeds:

*   **Denominator Eligibility:** This is the first hurdle. The member needs to be between 46 and 75. My calculation shows they will be 45 at the end of 2026. This is below the minimum age of 46. While their enrolment is good, their age disqualifies them from the denominator.
*   **Exclusions:** Because the member isn't eligible for the denominator in the first place, I don't even need to check the exclusion criteria. The outcome is already determined.
*   **Numerator Compliance:** Similarly, the fact that they had a FIT test in 2026 (which would have satisfied N1) is irrelevant now, as they aren't in the eligible population. The "not\_eligible" status takes precedence.

Therefore, the final answer is straightforward.
*   The **`status`** is "not\_eligible".
*   The **`reason`** needs to be precise: "The member is 45 years old as of the end of the measurement year, which is below the required age range of 46-75."

And finally, I'll construct the JSON output as requested:
```json
{
  "status": "not_eligible",
  "reason": "The member is 45 years old as of the end of the measurement year, which is below the required age range of 46-75."
}
```
This looks solid. It directly addresses the core reason for ineligibility based on the measure's definition and provides a clear, actionable explanation.
json{
  "status": "not_eligible",
  "reason": "The member is 45 years old as of the end of the measurement year, which is below the required age range of 46-75."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 3
Reasoning · 738 tokens
Alright, let's break down this member's record against the QM-CRC quality measure. My primary objective here is to determine their compliance status based on a defined set of criteria.

My thought process, as I navigate this evaluation, follows a structured, sequential approach.

First, I need to establish if the member even belongs in the pool of individuals we're evaluating – that's the **denominator**. This involves checking their eligibility. The QM-CRC measure specifically targets individuals aged 46 through 75 as of December 31, 2026. I look at the member's date of birth, which is May 22, 1981. Calculating their age as of the specified date, I see they will be 45 years old. Immediately, I recognize this falls outside the required 46-75 age bracket. Because they don't meet the initial age requirement, they aren't eligible to be included in the denominator for this measure.

This initial finding has a cascading effect. Since the member is **not eligible** for the denominator, I don't need to proceed with checking for any **exclusion criteria**. The exclusion step is only relevant if they *are* in the denominator. Similarly, if they aren't in the denominator, then checking for **compliance** (the numerator criteria) becomes moot. Any evidence of a test, like the Faecal immunochemical test on April 8, 2026, which *would* have satisfied a numerator criterion (N1), is irrelevant in this context. The primary determinant of their status is their ineligibility due to age.

Therefore, the **final status** for this member is clearly "not_eligible".

To articulate this concisely, I need to formulate a single-sentence **reason**. This reason must accurately reflect why they are not eligible. Given that their age is 45, and the measure requires a minimum age of 46, the most precise explanation is: "The member is not eligible as their age of 45 is outside the required 46-75 age range."

Finally, I need to **construct the JSON output**. Based on my determination, this will include the `status` as "not_eligible" and the `reason` as formulated. I also recall that this isn't the QM-FUM measure, so I don't need to include specific keys like `met_7_day` or `met_30_day`.

My internal double-check confirms this logic: the JSON structure is correct, the keys (`status`, `reason`) are appropriate, and the core reasoning – that an individual outside the denominator's age range is designated "not_eligible" even if they have relevant clinical data – is sound.

This leads me to the final JSON output:

```json
{
  "status": "not_eligible",
  "reason": "The member is not eligible as their age of 45 is outside the required 46-75 age range."
}
```
json{
  "status": "not_eligible",
  "reason": "The member is not eligible as their age of 45 is outside the required 46-75 age range."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
100GLM-5.2 · Z.ai1.8s · 97 out | 1.3s · 75 out | 4.3s · 391 out
Attempt 1
Reasoning · 48 tokens
Member 40205. DOB 1981-05-22 → age 45 on 2026-12-31. Eligible population requires age 46-75. Member is 45, so not_eligible.
json{
  "status": "not_eligible",
  "reason": "Age 45 on 2026-12-31, below the required minimum age of 46 for the eligible population."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 2
Reasoning · 25 tokens
Age 45 on 2026-12-31. Denominator requires age 46-75. So not eligible.
json{
  "status": "not_eligible",
  "reason": "Member is age 45 as of 2026-12-31, below the minimum age of 46 required for the denominator."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 3
Reasoning · 339 tokens
Let me analyze this member against the QM-CRC measure specification.

**Eligibility (denominator):**
- Age: Member is 45 years old as of 2026-12-31 (DOB 1981-05-22). The eligible population requires age 46 through 75 as of 2026-12-31. This member is 45, which is below the minimum age of 46.
- Therefore, the member does not enter the denominator.

Wait, let me double-check the age calculation. DOB is 1981-05-22. As of 2026-12-31:
- 2026 - 1981 = 45 years old. The member turns 45 on 2026-05-22, and is 45 for the rest of 2026.

The measure requires age 46 through 75 as of 2026-12-31. The member is 45, which is outside the range.

So the member is "not_eligible" because they never enter the denominator due to age.

Even though there is a faecal immunochemical test during 2026, the member doesn't enter the denominator in the first place due to age being 45 (below the minimum of 46).

Status: "not_eligible"
Reason: The member is age 45 as of 2026-12-31, below the minimum age of 46 required for the eligible population.

This is straightforward. The member is 45, not 46-75, so they never enter the denominator. Even though they have a qualifying screening event, they are not_eligible.
json{
  "status": "not_eligible",
  "reason": "Member is age 45 as of 2026-12-31, below the minimum age of 46 required to enter the eligible population."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
100Claude Opus 4.8 · Anthropic1.5s · 52 out | 1.5s · 52 out | 1.4s · 55 out
Attempt 1
json{"status":"not_eligible","reason":"Age 45 as of 2026-12-31, below the eligible range of 46 through 75."}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 2
json{"status":"not_eligible","reason":"Age 45 as of 2026-12-31 is below the minimum eligible age of 46."}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 3
json{"status":"not_eligible","reason":"Member turns 45 on 2026-12-31, below the minimum age of 46 for the denominator."}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
100Claude Sonnet 5 · Anthropic2.4s · 93 out | 2.4s · 92 out | 2.4s · 97 out
Attempt 1
json{
  "status": "not_eligible",
  "reason": "Member is 45 years old as of 2026-12-31, below the 46-75 age range required for the denominator."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 2
json{
  "status": "not_eligible",
  "reason": "Member was 45 years old as of 2026-12-31, below the required age range of 46-75."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 3
json{
  "status": "not_eligible",
  "reason": "Member is 45 years old as of 2026-12-31, below the 46-75 age range required for the denominator."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
100Claude Sonnet 4.6 · Anthropic1.7s · 52 out | 1.9s · 52 out | 2.1s · 67 out
Attempt 1
json{
  "status": "not_eligible",
  "reason": "Member is 45 years old on 2026-12-31, below the minimum eligible age of 46."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 2
json{
  "status": "not_eligible",
  "reason": "Member is 45 years old on 2026-12-31, below the minimum eligible age of 46."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 3
json{
  "status": "not_eligible",
  "reason": "Member turns 45 on 2026-05-22 and is only 45 years old on 2026-12-31, below the minimum eligible age of 46."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
100Qwen3.7 Max · Alibaba9.0s · 510 out | 6.1s · 529 out | 6.0s · 369 out
Attempt 1
Reasoning · 447 tokens
The member is 45 years old on 2026-12-31 (DOB 1981-05-22).
The eligible population for QM-CRC is age 46 through 75 years as of 2026-12-31.
Since the member is 45, they are not in the eligible population.
Status: "not_eligible"
Reason: "Member is 45 years old as of 2026-12-31, which is below the required age range of 46 through 75."

Let's check the age again: DOB 1981-05-22.
2026 - 1981 = 45.
Yes, 45 years old.
Age requirement: 46 through 75.
So not_eligible.
Reason: Member is 45 years old on 2026-12-31, below the eligible age range of 46 to 75.

JSON keys required:
"status"
"reason"

No QM-FUM keys needed.
Status: "not_eligible"
Reason: "Member is 45 years old on 2026-12-31, below the eligible age range of 46 through 75." 
Wait, the prompt says "Age: 46 through 75 years as of 2026-12-31."
Reason: "Member is 45 years old as of 2026-12-31, which is below the required age range of 46 through 75." (19 words).
Perfect.
Let's double check.
"not_eligible"
"Member is 45 years old as of 2026-12-31, below the eligible age range of 46 through 75."
Length: 16 words.
Done.
json{
  "status": "not_eligible",
  "reason": "Member is 45 years old as of 2026-12-31, below the eligible age range of 46 through 75."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 2
Reasoning · 464 tokens
The member is 45 years old on 2026-12-31.
The eligible population for QM-CRC is age 46 through 75 years as of 2026-12-31.
Since the member is 45, they do not meet the age criteria for the denominator.
Therefore, the status is "not_eligible".
Reason: Member is 45 years old on 2026-12-31, which is below the eligible age range of 46-75.
Wait, let me double check the exact wording: "Age: 46 through 75 years as of 2026-12-31."
Member DOB: 1981-05-22. Age on 2026-12-31 is 45.
So not_eligible.
Reason: Member is 45 years old on 2026-12-31, failing the age 46-75 eligibility requirement.
No exclusions apply, but eligibility fails first.

Status: not_eligible
Reason: Member is 45 years old as of 2026-12-31, which is below the required age range of 46 through 75.
Length of reason: 24 words.

```json
{
  "status": "not_eligible",
  "reason": "Member is 45 years old as of 2026-12-31, which is below the required age range of 46 through 75."
}
```
Wait, QM-FUM requires met_7_day and met_30_day. This is QM-CRC, so no need for those keys.
Keys required: "status", "reason".
Check reason word count: "Member is 45 years old as of 2026-12-31, which is below the required age range of 46 through 75." -> 20 words.
Perfect.
json{
  "status": "not_eligible",
  "reason": "Member is 45 years old as of 2026-12-31, which is below the required age range of 46 through 75."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 3
Reasoning · 310 tokens
Let me analyze this member against the QM-CRC measure specification.

**Member Details:**
- DOB: 1981-05-22
- Age on 2026-12-31: 45 years old
- Enrolment: 2026-01-01 through 2026-12-31, continuous
- History: 2026-04-08 Faecal immunochemical test, negative
- No colorectal cancer, no colectomy, no hospice

**Step 1: Check Eligible Population (Denominator)**
- Age requirement: 46 through 75 years as of 2026-12-31
- Member is 45 years old on 2026-12-31
- The member does NOT meet the age requirement

Since the member is 45, they are not in the eligible age range (46-75). Therefore, they never enter the denominator.

**Status: not_eligible**

**Reason:** The member is 45 years old as of 2026-12-31, below the minimum age of 46.

Even though they have a faecal immunochemical test in 2026 (which would satisfy N1), they never enter the denominator because they don't meet the age requirement.
json{
  "status": "not_eligible",
  "reason": "Member is 45 years old as of 2026-12-31, below the minimum eligible age of 46."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
100GLM-5.3 · Z.ai4.1s · 382 out | 1.4s · 284 out | 2.0s · 313 out
Attempt 1
Reasoning · 279 tokens
Let me work through this carefully.

Member 40205: DOB 1981-05-22. On 2026-12-31, they turn 45 (born 1981, so 2026 - 1981 = 45 years; birthday May 22, 1981 + 45 years = May 22, 2026, so by 2026-12-31 they are 45 years old).

Eligible population requires age 46 through 75 as of 2026-12-31. This member is 45, so they never enter the denominator. Status: "not_eligible".

Even though they have a FIT test during 2026 (2026-04-08), which would meet the numerator, the instructions say: "A member who never enters the denominator is 'not_eligible' even if a compliance event is present in the record."

Enrolment is continuous, but age fails. So status is not_eligible.

Reason: one sentence under 30 words naming the specific criterion. "Member is 45 years old as of 2026-12-31, below the minimum age of 46 required for the denominator." That's under 30 words.

This is QM-CRC, not QM-FUM, so no met_7_day/met_30_day keys required. The task says "Items drawn from measure QM-FUM require two further keys" — this is QM-CRC, so only status and reason.

Output JSON with exactly "status" and "reason".
json{"status": "not_eligible", "reason": "Member is 45 years old as of 2026-12-31, below the minimum denominator age of 46, despite a qualifying FIT on 2026-04-08."}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 2
Reasoning · 171 tokens
Let me work through this.

Member 40205. DOB 1981-05-22. On 2026-12-31, age: 1981-05-22 to 2026-12-31. Birthday in May 2026, so they turned 45 on 2026-05-22. Age 45 as of 2026-12-31.

Denominator eligibility: Age 46 through 75 as of 2026-12-31. Member is 45, so never enters the denominator. Status: "not_eligible".

Even though there's a FIT test on 2026-04-08 which would meet N1, the member is not eligible. Per the rules: "A member who never enters the denominator is 'not_eligible' even if a compliance event is present in the record."

This is QM-CRC, not QM-FUM, so no met_7_day/met_30_day keys needed.

Reason: Age 45 as of 2026-12-31, below the minimum age of 46.
json{"status": "not_eligible", "reason": "Age 45 as of 2026-12-31, below the denominator minimum of 46, so the member never enters the eligible population despite the 2026 FIT."}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 3
Reasoning · 249 tokens
Let me work through this.

Member 40205, DOB 1981-05-22. Age as of 2026-12-31: born 1981, so 2026-1981 = 45. Birthday May 22, 1981; on 2026-12-31 they've had their 45th birthday (May 22, 2026), so they are 45 years old.

Denominator: Age 46 through 75 as of 2026-12-31. This member is 45, so never enters the denominator. Status: not_eligible.

The FIT test in 2026 would be a numerator event, but the member is not eligible. Per rules: "A member who never enters the denominator is 'not_eligible' even if a compliance event is present in the record."

This is QM-CRC, not QM-FUM, so no met_7_day/met_30_day keys.

Status: not_eligible. Reason: age 45 as of 2026-12-31, below the minimum age 46 for the denominator.

Reason under 30 words, one sentence, naming the specific criterion.
json{
  "status": "not_eligible",
  "reason": "Age 45 as of 2026-12-31, below the minimum denominator age of 46, so the member never enters the eligible population despite the 2026-04-08 FIT."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
100Qwen3.8 Max · Alibaba7.3s · 281 out | 6.8s · 286 out | 6.3s · 274 out
Attempt 1
Reasoning · 223 tokens
We need answer user's request. Need produce final only JSON block. Need analyze member against QM-CRC. Member DOB 1981-05-22, age on 2026-12-31: 45. Eligible age 46 through 75. Therefore never enters denominator: not_eligible. Reason under 30 words naming criterion/date. Since not QM-FUM no met keys. Need exactly JSON with status and reason. Ensure no extra. Reason: "Age 45 on 2026-12-31, below required age 46, so not eligible for denominator." word count? Age(1) 45(2) on(3) 2026-12-31(4), below(5) required(6) age(7) 46(8), so(9) not(10) eligible(11) for(12) denominator(13). Good. Could mention criterion. JSON.
json{
  "status": "not_eligible",
  "reason": "Age 45 on 2026-12-31, below required age 46, so not eligible for denominator."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 2
Reasoning · 234 tokens
We need answer user's request. Need produce JSON only. Need analyze measure QM-CRC. Member 40205 DOB 1981-05-22. Measurement year 2026. Age as of 2026-12-31: born 1981-05-22, on 2026-12-31 age 45? Let's calculate: 2026 - 1981 = 45, birthday passed May 22, yes 45. Eligible age 46 through 75. Therefore not eligible, never enters denominator. Enrolment continuous. FIT in 2026 would satisfy numerator but age not eligible. Status not_eligible. Reason under 30 words naming criterion/date. Need no extra keys. Since not QM-FUM no met keys. JSON only. Ensure reason: "Age 45 on 2026-12-31, below eligible age 46." Word count 8. Good.
json{
  "status": "not_eligible",
  "reason": "Age 45 on 2026-12-31, below eligible age 46."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 3
Reasoning · 219 tokens
We need answer user's request. Need produce final JSON only. Need analyze measure QM-CRC. Member DOB 1981-05-22, age on 2026-12-31? They say 45 years old. Eligible age 46 through 75 as of 2026-12-31. So not eligible due age. Enrolment continuous. FIT in 2026 but not denominator. Status not_eligible. Reason under 30 words naming criterion/date. Need exactly JSON. No extra keys (not QM-FUM). {"status":"not_eligible","reason":"Member is 45 on 2026-12-31, below required age 46."} Count words? Member(1) is2 45? maybe token? 3 on4 2026-12-31,5 below6 required7 age8 46. Fine. Ensure no commentary.
json{
  "status": "not_eligible",
  "reason": "Member is 45 on 2026-12-31, below the required age of 46."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
100GPT-5.6 Terra · OpenAI1.5s · 42 out | 1.4s · 47 out | 1.1s · 45 out
Attempt 1
json{"status":"not_eligible","reason":"Member was 45 years old on 2026-12-31, below the denominator age minimum of 46."}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 2
json{"status":"not_eligible","reason":"Member is 45 years old on 2026-12-31 and does not meet the denominator age range of 46 through 75."}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 3
json{"status":"not_eligible","reason":"Member was 45 years old on 2026-12-31, below the eligible age range of 46 through 75."}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
100GLM-5.3 Flash · Z.ai8.2s · 270 out | 10.9s · 389 out | 13.3s · 538 out
Attempt 1
Reasoning · 212 tokens
Let me work through this.

Member DOB 1981-05-22. Measurement year 2026, age as of 2026-12-31. Born 1981-05-22, so on 2026-12-31 they are 45 years old (turned 45 on 2026-05-22). Eligible population requires age 46 through 75 as of 2026-12-31. Age 45 means not eligible — never enters the denominator.

There is a FIT during 2026 (2026-04-08, negative). But numerator only matters if in denominator. Per rules: "A member who never enters the denominator is 'not_eligible' even if a compliance event is present in the record."

Status: not_eligible. Reason: age 45 as of 2026-12-31, below the 46-year minimum.

No QM-FUM keys required here since this is QM-CRC.

Reason under 30 words, one sentence.
json{
  "status": "not_eligible",
  "reason": "Age 45 as of 2026-12-31, below the 46-year minimum for the QM-CRC denominator, despite a 2026 FIT event."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 2
Reasoning · 335 tokens
Let me work through this.

Member 40205. DOB 1981-05-22. As of 2026-12-31, they are 45 years old (birthday May 22, 1981; on 2026-05-22 they turn 45; on 2026-12-31 they are 45).

Wait, let me compute: 2026 − 1981 = 45. Birthday 1981-05-22, so on 2026-05-22 they turn 45. So on 2026-12-31 they are 45. Yes, 45 years old.

Denominator: Age 46 through 75 as of 2026-12-31. Member is 45 → not eligible. Never enters the denominator.

The record says "so 45 years old on 2026-12-31" — the record itself confirms.

Even though a FIT was performed (compliance event present), the member never enters the denominator, so status is "not_eligible".

Reason: age 45 as of 2026-12-31, below the eligible age range of 46–75.

Required keys: status, reason. QM-FUM keys not required (this is QM-CRC).

Reason under 30 words, one sentence, naming the specific criterion or date.

"Age 45 as of 2026-12-31, below the denominator age range of 46-75, so no eligible population entry despite the FIT."

That's under 30 words. Good.

Output: exactly one fenced JSON code block.
json{
  "status": "not_eligible",
  "reason": "Age 45 as of 2026-12-31, below the 46-75 denominator age range, so the FIT event cannot establish eligibility."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 3
Reasoning · 478 tokens
Let me work through this member against QM-CRC.

Member: DOB 1981-05-22. Age as of 2026-12-31: birthday in 2026 is 2026-05-22, turning 45. So 45 years old on 2026-12-31.

Denominator age criterion: 46 through 75 as of 2026-12-31. Member is 45 — below the eligible age range. So the member never enters the denominator → "not_eligible".

Enrolment is continuous, but that doesn't matter since age fails.

Note the record includes a FIT on 2026-04-08, which would have met numerator N1 — but per instructions, "A member who never enters the denominator is 'not_eligible' even if a compliance event is present in the record." So status = not_eligible.

QM-CRC is not QM-FUM, so no met_7_day/met_30_day keys required. The instructions say "Items drawn from measure QM-FUM require two further keys" — this is QM-CRC, so don't add those keys. Also "Do not add keys that were not asked for."

Reason: one sentence, under 30 words, naming the specific criterion or date that decided it. Something like: "Age 45 on 2026-12-31 is below the 46–75 denominator range, so the member never enters the eligible population despite a 2026 FIT."

Word count: let me count. "Age 45 on 2026-12-31 is below the 46–75 denominator range, so the member never enters the eligible population despite the 2026 FIT." Words: Age(1) 45(2) on(3) 2026-12-31(4) is(5) below(6) the(7) 46–75(8) denominator(9) range(10) so(11) the(12) member(13) never(14) enters(15) the(16) eligible(17) population(18) despite(19) the(20) 2026(21) FIT(22). Under 30 words. Good.

JSON keys: status, reason. Exactly those.
json{
  "status": "not_eligible",
  "reason": "Age 45 on 2026-12-31 is below the 46-75 denominator age range, so the member never enters the eligible population despite the 2026 FIT."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
100Hunyuan 4 · Tencent22.8s · 1,268 out | 21.3s · 1,104 out | 36.4s · 1,930 out
Attempt 1
Reasoning · 1,210 tokens
We need answer with JSON only. Need evaluate member against QM-CRC measure.

Task: Measure QM-CRC, measurement year 2026.

Member: DOB 1981-05-22. Age as of 2026-12-31: Let's compute. 2026 minus 1981 = 45, birthday May 22. As of Dec 31, 2026, has had birthday? Yes, May 22 2026, so age = 45. Wait: If born 1981-05-22, on 2026-05-22 turns 45. On 2026-12-31 age = 45. The eligible population denominator age: 46 through 75 years as of 2026-12-31. Member is 45 years old. Therefore never enters denominator due to age. Status = "not_eligible". Reason one sentence under 30 words naming specific criterion/date that decided it: "Member is 45 years old on 2026-12-31, below the required age range of 46 through 75 for the denominator." Count words? Let's check: Member(1) is(2) 45(3) years(4) old(5) on(6) 2026-12-31,(7) below(8) the(9) required(10) age(11) range(12) of(13) 46(14) through(15) 75(16) for(17) the(18) denominator.(19) Under 30. Good.

Need check items drawn from measure QM-FUM require further keys, but this is QM-CRC, not QM-FUM. Required JSON keys: "status", "reason". Do not add keys not asked. So output exactly {"status":"not_eligible","reason":"..."}.

But ensure age calculation exactly. DOB 1981-05-22. Measurement year 2026-01-01 through 2026-12-31. Age as of 2026-12-31 is 45. The spec says Age: 46 through 75 years as of 2026-12-31. Continuous enrolment full year with no more than one gap up to 45 days. Member enrolment: 2026-01-01 through 2026-12-31 continuous. That meets enrolment but age fails. So status not_eligible. Exclusions evaluated before numerator but not relevant because not in denominator. Numerator: FIT 2026-04-08 is N1, meets numerator if eligible, but not eligible overrides. So not_eligible.

Need maybe reason: "Age 45 on 2026-12-31, outside the eligible age range 46–75, so not in denominator." That's 16 words. Or "Member is 45 years old as of 2026-12-31, below the eligible age range of 46 through 75, so not in the denominator." Word count: Member1 is2 45? Actually "45" counts? It's a token. Let's count: Member(1) is(2) 45(3) years(4) old(5) as(6) of(7) 2026-12-31,(8) below(9) the(10) eligible(11) age(12) range(13) of(14) 46(15) through(16) 75,(17) so(18) not(19) in(20) the(21) denominator.(22). Good. Under 30. Should we mention continuous enrollment? Not needed, age decided it.

Need output only fenced JSON code block. Ensure no extra text. Use JSON null? Not needed. Money? No. Dates ISO. Status string exactly one of etc. Use hyphen? Status "not_eligible" exactly. Reason string. Need quote JSON valid. Code block:

```json
{
  "status": "not_eligible",
  "reason": "Member is 45 years old as of 2026-12-31, below the eligible age range of 46 through 75, so not in the denominator."
}
```

Check key names: "status", "reason" only. Yes.

Let's verify age: DOB 1981-05-22. Age on 2026-12-31: Born May 1981. In 2026, before May 22 age 44, on/after May 22 age 45. Yes. Not 46. So not_eligible.

Need consider if age range inclusive 46 through 75. Yes. 45 not eligible.

Reason under 30 words. Let's count my reason carefully:
"Member is 45 years old as of 2026-12-31, below the eligible age range of 46 through 75, so not in the denominator."
Tokens: Member(1) is(2) 45(3) years(4) old(5) as(6) of(7) 2026-12-31,(8) below(9) the(10) eligible(11) age(12) range(13) of(14) 46(15) through(16) 75,(17) so(18) not(19) in(20) the(21) denominator.(22) Good.

One more nuance: The prompt says "one sentence, under 30 words, naming the specific criterion or date that decided it". Criterion: age 46-75 as of 2026-12-31. Date: 2026-12-31. Good.

No FUM keys. Output only JSON block.

Let's produce final.
json{
  "status": "not_eligible",
  "reason": "Member is 45 years old as of 2026-12-31, below the eligible age range of 46 through 75, so not in the denominator."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 2
Reasoning · 1,057 tokens
We need answer JSON only. Need evaluate QM-CRC. Member 40205 DOB 1981-05-22. As of 2026-12-31 age? Let's compute: DOB 1981-05-22. On 2026-12-31: Age = 2026 - 1981 = 45 years, but birthday 1981-05-22, by Dec 31 2026, member has turned 45 on 2026-05-22 (since 2026 - 1981 = 45). Wait careful: Age as of 2026-12-31: Born May 22, 1981. On May 22, 2026, turns 45. On Dec 31, 2026, is 45 years old (not yet 46). So age 45. Denominator age 46 through 75 inclusive as of 2026-12-31. Member is 45, not in age range. Continuous enrolment full year yes. But age fails. So status "not_eligible". Reason: one sentence under 30 words naming specific criterion or date that decided it. Must say age 45 on 2026-12-31, below minimum eligible age 46. Not excluded or numerator evaluated? For not_eligible, no need numerator? Requirement: "A member who never enters the denominator is 'not_eligible' even if a compliance event is present in the record." So status not_eligible. reason: "Member is 45 years old on 2026-12-31, below the eligible age range of 46 through 75." Check word count: Member(1) is(2) 45(3) years(4) old(5) on(6) 2026-12-31,(7) below(8) the(9) eligible(10) age(11) range(12) of(13) 46(14) through(15) 75.(16) Under 30. Could mention DOB. "Age 45 on 2026-12-31 due to DOB 1981-05-22, below required minimum age of 46." word count: Age1 45? Let's count: Age(1) 45(2) on(3) 2026-12-31(4) due(5) to(6) DOB(7) 1981-05-22,(8) below(9) required(10) minimum(11) age(12) of(13) 46.(14) Good. Need no other keys because task family QM-CRC does not require met_7_day/met_30_day (only QM-FUM). Required JSON keys: status, reason. Only those two. Ensure JSON block exactly one fenced code block and nothing else. Output format:
```json
{
  "status": "not_eligible",
  "reason": "..."
}
```
Need check if age computation: As of 2026-12-31, if DOB 1981-05-22, age = 45 (because birthday in 2026 has passed, 2026-1981=45). Yes, 45. Minimum is 46. So not eligible. Even though FIT during 2026 (N1) would be numerator, but not_eligible overrides. Need maybe mention continuous enrolment? Not needed, specific criterion is age. The reason should name specific criterion or date that decided it. Age criterion decided it. Could say "Excluded by age: member is 45 on 2026-12-31, below eligible range 46-75." That's clear. Under 30 words.

Need verify no other exclusions? No. But age not eligible. For QM-CRC, denominator requires age 46-75 as of 2026-12-31. So not eligible.

Let's draft final:
```json
{"status": "not_eligible", "reason": "Member is 45 years old on 2026-12-31, below the eligible age range of 46 through 75."}
```
Count: Member1 is2 45? Actually "45" counts as word? Usually numbers count. Let's count strictly: Member (1) is (2) 45 (3) years (4) old (5) on (6) 2026-12-31, (7) below (8) the (9) eligible (10) age (11) range (12) of (13) 46 (14) through (15) 75. (16) Under 30. Good.

Need ensure JSON null? No. Money? No. No extra keys.

Need not include met_7_day etc because measure QM-CRC, not QM-FUM. The task says Items drawn from measure QM-FUM require two further keys. This is QM-CRC. So only status, reason.

Let's final with exactly fenced block. No preamble.
json{"status": "not_eligible", "reason": "Member is 45 years old on 2026-12-31, below the eligible age range of 46 through 75."}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 3
Reasoning · 1,874 tokens
We need answer as JSON only. Task family QM-CRC (colorectal cancer screening). Need determine status, reason, plus if QM-FUM? Wait task: Items drawn from measure QM-FUM require two further keys: met_7_day, met_30_day. But the measure is QM-CRC, not QM-FUM. The required JSON keys for task: "status" and "reason" (and QF-FUM? Actually task says: Required JSON keys: status, reason. Then additional: Items drawn from measure QM-FUM require two further keys... This member is under QM-CRC, not QM-FUM. So do we include met_7_day and met_7_day? The instruction: "Items drawn from measure QM-FUM require two further keys: ... For a member who is "excluded" or "not_eligible" under QM-FUM, report both as false." Since this is QM-CRC, not QM-FUM, do we need to include met_7_day/met_30_day? It says Items drawn from measure QM-FUM require two further keys. This item is drawn from measure QM-CRC, so those keys are NOT required. Also "Do not add keys that were not asked for." The task did not ask for met_7_day/met_30_day for QM-CRC. The required keys are status and reason. The QM-FUM note is conditional. Thus only include status and reason. Wait: The task is "TASK FAMILY — QUALITY MEASURE LOGIC You are given one measure specification and one member's record. Place the member against the specification." Required JSON keys: status, reason. Then a paragraph: "Items drawn from measure QM-FUM require two further keys: met_7_day boolean met_30_day boolean For a member who is "excluded" or "not_eligible" under QM-FUM, report both as false." That means for QM-FUM items we need those keys. But this measure is QM-CRC, so not required. Do not add keys not asked for. So output {"status": ..., "reason": ...}.

Need evaluate member: DOB 1981-05-22. Age on 2026-12-31: 2026 - 1981 = 45 (since birthday May 22, by Dec 31 2026 turned 45). Specifically born 1981-05-22. On 2026-05-22 turns 45. On 2026-12-31 age is 45. Eligible population denominator age: 46 through 75 years as of 2026-12-31. Member is 45, so not in eligible age range. Continuous enrolment full measurement year yes, but age fails. Thus never enters denominator: "not_eligible". Reason: one sentence, under 30 words, naming specific criterion or date that decided it. Must mention age 45 on 2026-12-31, below required minimum age 46 for denominator. Need be specific: "Member was 45 years old on 2026-12-31, below the denominator age range of 46–75." Check word count: Member(1) was(2) 45(3) years(4) old(5) on(6) 2026-12-31,(7) below(8) the(9) denominator(10) age(11) range(12) of(13) 46–75.(14) Under 30. Could also mention criterion: age eligibility. Need maybe "Age 45 on 2026-12-31 is outside the eligible population age range 46–75." That's 17 words? Let's count: Age(1) 45(2) on(3) 2026-12-31(4) is(5) outside(6) the(7) eligible(8) population(9) age(10) range(11) 46–75.(12) Good. It says naming the specific criterion or date that decided it. Use date? "On 2026-12-31 member was age 45, below the required minimum age of 46 for the denominator." Count: On1 2026-12-312 member3 was4 age5 45,6 below7 the8 required9 minimum10 age11 of12 46 13 for14 the15 denominator16. Under 30.

Status: not_eligible.

Check exclusion? Not needed because not eligible. Numerator: FIT test in 2026-04-08 would meet N1 if eligible, but not eligible. So status not_eligible, reason age. Need not mention FIT. The reason should name criterion or date that decided it: age criterion. Maybe "Denominator requires age 46–75 as of 2026-12-31; member was 45 on that date." Count: Denominator1 requires2 age3 46–754 as5 of6 2026-12-31;7 member8 was9 45 10 on11 that12 date.13 Good.

Need ensure no extra keys. Output exactly one fenced JSON code block and nothing else.

Let's draft final:

```json
{
  "status": "not_eligible",
  "reason": "Denominator requires age 46–75 as of 2026-12-31; member was 45 on that date."
}
```

Wait, check age calculation: DOB 1981-05-22. At 2026-12-31, age = 45 (since 2026-1981=45, and May 22 already passed). Yes. The eligible population is 46 through 75. So 45 is not eligible. Correct.

Double-check continuous enrolment: enrolment 2026-01-01 through 2026-12-31 continuous. Yes but age fails. No exclusions. So not_eligible.

Now JSON: keys status and reason only. Reason under 30 words, one sentence. Our sentence: "Denominator requires age 46–75 as of 2026-12-31; member was 45 on that date." That's one sentence with semicolon? It's one sentence? Actually it's two independent clauses joined by semicolon, still one sentence. Under 30 words. Or use a period? The instruction: one sentence. Let's make it a simple sentence: "Member was 45 years old on 2026-12-31, below the required denominator age range of 46 to 75." Count: Member1 was2 45 3 years4 old5 on6 2026-12-31,7 below8 the9 required10 denominator11 age12 range13 of14 46 15 to16 75.17. It's one sentence. It names criterion (denominator age range) and date (2026-12-31). Good.

Could write "Age 45 on 2026-12-31 is outside the eligible age range of 46–75, so member never enters the denominator." That has "so" clause but still one sentence. Word count: Age1 45 2 on3 2026-12-31 4 is5 outside6 the7 eligible8 age9 range10 of11 46–75,12 so13 member14 never15 enters16 the17 denominator.18. Good. But maybe "never enters the denominator" explains status. However status field already says not_eligible. The reason should be specific. Let's choose: "Age 45 on 2026-12-31 is outside the eligible age range of 46–75, so member never enters the denominator." This is clear.

Check: "46–75" using en dash? In JSON string, use hyphen or en dash? We can use "46-75" or "46–75". JSON allows Unicode. The prompt used "46 through 75" and "46 through 75 years". In numerator etc. Use "46-75" for simplicity. Actually the range in prompt: "Age: 46 through 75 years as of 2026-12-31." Let's phrase: "Age 45 on 2026-12-31 is outside the eligible age range of 46 through 75, so member never enters the denominator." Count: Age1 45 2 on3 2026-12-31 4 is5 outside6 the7 eligible8 age9 range10 of11 46 12 through13 75,14 so15 member16 never17 enters18 the19 denominator.20. Good. One sentence? "Age ... is outside ..., so member never enters ..." It's a compound sentence with so, but still one sentence. It ends with period.

Need be careful: "never enters the denominator" is the definition of not_eligible. Good.

Let's produce final.
json{
  "status": "not_eligible",
  "reason": "Age 45 on 2026-12-31 is outside the eligible age range of 46 through 75, so member never enters the denominator."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
100Qwen3.8 Flash · Alibaba3.6s · 191 out | 4.4s · 208 out | 8.8s · 238 out
Attempt 1
Reasoning · 127 tokens
We need answer JSON only. Need assess QM-CRC member. Need status. DOB 1981-05-22. As of 2026-12-31 age 45 (turns 46 in 2027). Denominator requires age 46 through 75 as of 2026-12-31. Not eligible despite FIT event. Need reason one sentence under 30 words naming specific criterion/date. No QM-FUM extra keys. JSON keys status, reason. Need exact. Ensure no preamble.
json{
  "status": "not_eligible",
  "reason": "Member is 45 as of 2026-12-31, below the measure's 46-through-75 age requirement for the denominator."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 2
Reasoning · 149 tokens
We need answer JSON only. Need evaluate QM-CRC. Member DOB 1981-05-22, age as of 2026-12-31: born 1981, by Dec 31 2026 age 45 (May 22 birthday, so 45). Denominator requires age 46 through 75 as of 2026-12-31. So not eligible, even though FIT in 2026. Reason one sentence under 30 words naming criterion/date. Need JSON keys status and reason only? QM-FUM additional not here. So output exactly fenced JSON.
json{
  "status": "not_eligible",
  "reason": "Age is 45 as of 2026-12-31, outside the 46 through 75 eligible population."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 3
Reasoning · 177 tokens
We need answer JSON only. Need analyze measure QM-CRC. Member DOB 1981-05-22, age on 2026-12-31: 45 (since May 22 2026, Dec 31 age 45). Eligible age 46 through 75. So not eligible. Event FIT negative in 2026 would be numerator N1 but denominator age fails. Status not_eligible. Reason one sentence under 30 words naming criterion/date: Age 45 as of 2026-12-31 is below required 46, so member never enters denominator. Need ensure under 30 words. JSON keys status, reason. No met keys only QM-FUM. Final fenced json only.
json{
  "status": "not_eligible",
  "reason": "Age is 45 as of 2026-12-31, below the required 46 through 75 eligible population range."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
100Kimi K2.6 · Moonshot2.1s · 611 out | 9.5s · 1,571 out | 12.5s · 769 out
Attempt 1
Reasoning · 472 tokens
 We need to evaluate member against QM-CRC measure.

First, denominator eligibility:
- Age 46 through 75 as of 2026-12-31. Member DOB 1981-05-22. Age on 2026-12-31: 2026-1981 = 45 years, but need to check if birthday passed in 2026: May 22, 2026. So on Dec 31, 2026, they are 45 years old (turned 45 on May 22, 2026). The denominator requires age 46 through 75. Since they are 45, they are not eligible. Wait: 2026-1981 = 45. Born May 22, 1981. On Dec 31, 2026, they are 45 years old (since birthday in May, they turned 45). Next birthday May 22, 2027 would make them 46. So age is 45. Denominator requires 46 through 75. Thus not eligible.

But let's double-check if age calculation is inclusive. "Age: 46 through 75 years as of 2026-12-31." 45 is below 46. So not eligible.

Since not eligible, status is "not_eligible". Exclusions not evaluated. Numerator not evaluated.

Reason: Under 30 words, naming specific criterion or date that decided it. "Age 45 as of 2026-12-31, below denominator minimum of 46."

Now, the measure does not have "met_7_day" or "met_30_day" keys because it's QM-CRC, not QM-FUM. The required keys are status and reason. Wait, the prompt says: "Items drawn from measure QM-FUM require two further keys: "met_7_day" boolean and "met_30_day" boolean." Since this is QM-CRC, we do not include those keys. The required JSON keys are status and reason. Must include every required key. No extra keys.

Thus:
```json
{
  "status": "not_eligible",
  "reason": "Age 45 as of 2026-12-31, below denominator minimum of 46."
}
```

Check word count: Age(1) 45(2) as(3) of(4) 2026-12-31,(5) below(6) denominator(7) minimum(8) of(9) 46.(10) = 10 words. Under 30.

Double-check continuous enrollment: 2026-01-01 through 2026-12-31 continuous. Yes, but age fails.

No need to consider exclusion or numerator.

Answer exactly one fenced JSON block.
json{
  "status": "not_eligible",
  "reason": "Age 45 as of 2026-12-31, below denominator minimum of 46."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 2
The user wants me to evaluate member 40205 against the QM-CRC (Colorectal Cancer Screening) measure for measurement year 2026.

Let me analyze the member record:
- DOB: 1981-05-22
- Age as of 2026-12-31: 45 years old (2026 - 1981 = 45, but birthday is May 22, so on Dec 31, 2026, they are 45 years old, not yet 46)

Wait, let me calculate age carefully:
Born 1981-05-22.
As of 2026-12-31: 2026 - 1981 = 45. But since Dec 31 is after May 22, they have had their birthday, so they are 45 years old? No wait:
2026 - 1981 = 45. If born May 22, 1981, then on May 22, 2026 they turn 45. On Dec 31, 2026, they are 45 years old.

But the denominator requires age 46 through 75 years as of 2026-12-31.
45 years old is outside the eligible age range of 46-75.

Wait, let me double check the age calculation.
Born: 1981-05-22
Date: 2026-12-31
Age = 2026 - 1981 = 45 years, and since Dec 31 > May 22, they are 45 years old (they turned 45 on May 22, 2026).

Actually, that's wrong. 1981 to 2026 is 45 years. Let's count:
Born 1981 - age 0
1982 - age 1
...
2026 - age 45

Yes, on May 22, 2026 they turn 45. So on Dec 31, 2026, they are 45 years old.

The denominator requires age 46 through 75. This member is 45, so they are not eligible for the denominator.

Wait, could I be miscalculating? Let me check again.
2026 - 1981 = 45. But when computing age as of a date after the birthday in the year, the age is exactly the difference in years.
2026 - 1981 = 45.
But wait, actually: if born in 1981, on May 22, 1982 = 1 year old. May 22, 1983 = 2 years old.
May 22, 2026 = 45 years old. 
May 22, 2027 = 46 years old.
So on Dec 31, 2026, age is 45.

Yes, 45 is less than 46, so not eligible.

Let me check if there are any exclusion criteria that would matter? No, because the member never enters the denominator. The specification says: "A member who never enters the denominator is 'not_eligible' even if a compliance event is present in the record."

So status should be "not_eligible".
Reason: something about being under age 46.
"Age 45 as of 2026-12-31, below denominator minimum of 46." or similar, under 30 words.

Wait, is it exactly 45 or could it be 46? Let me recalculate very carefully.
Born: May 22, 1981
To compute age on Dec 31, 2026:
Full years elapsed: 2026 - 1981 = 45 years.
Since Dec 31 is after May 22, add 0? No, the age is the number of full years lived.
On May 22, 2026, they completed 45 years of life. So on Dec 31, 2026, they are 45 years old (and some months).

Actually, let me verify with simple example: Born May 22, 2000. On May 22, 2001 = 1 year old. On Dec 31, 2001 = 1 year old. On May 22, 2002 = 2 years old.
So for 1981 to 2026: 2026 - 1981 = 45. Yes, 45 years old.

So the member is 45 on 12/31/2026. Denominator requires 46-75. Not eligible.

I also need to check the other keys. The task family instructions say: "Items drawn from measure QM-FUM require two further keys: met_7_day, met_30_day". This is measure QM-CRC, NOT QM-FUM. So I should NOT include met_7_day and met_30_day. The required keys are only "status" and "reason" for QM-CRC, per the instruction: "Required JSON keys: status, reason".

Let me verify:
- Status: not_eligible
- Reason: Member is 45 years old on 2026-12-31, below required age 46.

Actually the prompt says: "reason string — one sentence, under 30 words, naming the specific criterion or date that decided it"

"Age 45 as of 2026-12-31, below denominator minimum of 46." — that's 9 words, well under 30.

Wait, I should double check the task required keys. It says: "The keys required in that object are given by the task. Include every required key. Do not add keys that were not asked for."

For QM-CRC, the task says: "Required JSON keys: status, reason". And mentions exclusions and numerator. It mentions that "Items drawn from measure QM-FUM require two further keys". Since this is QM-CRC, not QM-FUM, I only need status and reason.

Let me verify: is there any chance that the age is actually 46? Some might calculate 2026-1981=45, but maybe the example says "so 45 years old on 2026-12-31" explicitly in the member record? Let me re-read the member record.

"MEMBER 40205. Date of birth 1981-05-22, so 45 years old on 2026-12-31."

It actually explicitly says 45 years old! So definitely not eligible.

Double check continuous enrollment: 2026-01-01 through 2026-12-31, continuous — meets that.
History: FIT test in 2026 — this would satisfy numerator N1 if they were in denominator.
No exclusions.

But since age is 45, not_eligible is correct.

Format: exactly one fenced JSON code block and nothing else.

json{
  "status": "not_eligible",
  "reason": "Age 45 as of 2026-12-31, below denominator minimum of 46."
}


Wait, the prompt says: "For a member who is 'excluded' or 'not_eligible' under QM-FUM, report both as false." This is just for QM-FUM. Since this is QM-CRC, no such keys.

One final check: Does the age requirement say "46 through 75 years as of 2026-12-31"? Yes. 45 is outside. So not_eligible.

Everything looks correct.
json{
  "status": "not_eligible",
  "reason": "Age 45 as of 2026-12-31, below denominator minimum of 46."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 3
Reasoning · 640 tokens
 We need to parse the task. This is a quality measure logic task for QM-CRC (Colorectal Cancer Screening) for measurement year 2026-01-01 through 2026-12-31.

Member record:
- Member 40205
- DOB: 1981-05-22
- Age on 2026-12-31: 45 years old (the prompt says "so 45 years old on 2026-12-31").
- Enrolment: 2026-01-01 through 2026-12-31, continuous.
- History: 2026-04-08 Faecal immunochemical test, negative.
- No colorectal cancer, no colectomy, no hospice.

We need to determine status: compliant, non_compliant, excluded, not_eligible.

First, denominator eligibility:
- Age: 46 through 75 years as of 2026-12-31.
Member is 45 years old on 2026-12-31. So age is below 46.
Thus, member does not meet age requirement. Therefore not eligible (never enters denominator).

Even though there is a compliance event (FIT in 2026), because not in denominator, status is "not_eligible".

Reason: one sentence, under 30 words, naming the specific criterion or date that decided it.

We need to say something like "Age 45 as of 2026-12-31 does not meet denominator age 46-75."

Check length: "Age 45 as of 2026-12-31 does not meet denominator age 46-75." That's under 30 words.

Now, the task says: Items drawn from measure QM-FUM require two further keys: "met_7_day" and "met_30_day". But this measure is QM-CRC, not QM-FUM. So we do not include those keys. Wait, the prompt says "Items drawn from measure QM-FUM require two further keys". This measure is QM-CRC. So only "status" and "reason" are required. The required JSON keys are given by the task. So for QM-CRC, we only need status and reason.

Thus JSON:
{
  "status": "not_eligible",
  "reason": "Age 45 as of 2026-12-31 does not meet denominator age 46-75."
}

Double-check: The age calculation. DOB 1981-05-22. On 2026-12-31, the age is 2026-1981 = 45, but since birthday (May 22) has passed by Dec 31, they have turned 45 in 2026. Actually, let's compute precisely: from 1981-05-22 to 2026-05-22 is 45 years. To 2026-12-31 is still 45 years old. So age is 45. The denominator requires age 46 through 75. So indeed not eligible.

Continuous enrollment is fine, but irrelevant.

No exclusions needed because not in denominator. But for completeness, no exclusions apply anyway.

Thus answer is straightforward.

Make sure JSON is exactly one fenced code block, no extra keys.

Wait, is there any nuance about the age being 45? The prompt explicitly says "so 45 years old on 2026-12-31." So we can rely on that. Even if we calculate, it's 45.

Thus final answer.
json{
  "status": "not_eligible",
  "reason": "Age 45 as of 2026-12-31 is below the denominator requirement of 46 through 75."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
100DeepSeek V4 Pro · DeepSeek4.0s · 319 out | 1.9s · 46 out | 4.9s · 337 out
Attempt 1
Reasoning · 267 tokens
We are given a member and the measure QM-CRC. We need to determine the status and reason.

First, check eligibility: Age as of 2026-12-31: member DOB 1981-05-22, so on 2026-12-31 they are 45 years old. The measure requires age 46 through 75. So member is not eligible. Because age is below 46.

Thus, status = "not_eligible". Reason: "Member is 45 years old as of 2026-12-31, not meeting the age criterion of 46-75." Under 30 words.

No further checks needed. Since not eligible, we don't need to evaluate numerator or exclusions. The output should be just status and reason.

But the task says "Items drawn from measure QM-FUM require two further keys: 'met_7_day' and 'met_30_day'." This is not QM-FUM, it's QM-CRC, so those keys are not required. So only "status" and "reason".

Thus JSON:
{
  "status": "not_eligible",
  "reason": "Member is 45 years old as of 2026-12-31, not meeting the age criterion of 46-75."
}
json{
  "status": "not_eligible",
  "reason": "Member is 45 years old as of 2026-12-31, not meeting the age criterion of 46-75."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 2
json{
  "status": "not_eligible",
  "reason": "Member is 45 years old as of 2026-12-31, which is below the required 46 years."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 3
Reasoning · 291 tokens
We are asked to evaluate the member against QM-CRC.

First, determine eligibility: denominator requires age 46-75 as of 2026-12-31. Member's date of birth: 1981-05-22. Age on 2026-12-31: 2026 - 1981 = 45, and since birthday is in May, they turn 45 in 2026, so as of 2026-12-31 they are 45 years old. Not 46. So they are not eligible for the denominator. They never enter the denominator. So status is "not_eligible".

Reason: age 45 as of 2026-12-31 does not meet the minimum age of 46 years.

No need to check other criteria. For QM-CRC, we don't need "met_7_day" and "met_30_day" keys; those are only for QM-FUM. The task said "Items drawn from measure QM-FUM require two further keys", so for QM-CRC, those keys are not required. The output JSON must have "status" and "reason" only. So we output:

{
  "status": "not_eligible",
  "reason": "Member age 45 as of 2026-12-31 does not meet the minimum age of 46 years."
}

Make sure under 30 words.
json{
  "status": "not_eligible",
  "reason": "Member age 45 as of 2026-12-31 does not meet the minimum age of 46 years."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
100GPT-5.6 Luna · OpenAI2.9s · 73 out | 2.6s · 107 out | 1.2s · 89 out
Attempt 1
json{"status":"not_eligible","reason":"Age 45 on 2026-12-31, below the required eligible age range of 46 through 75 years."}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 2
json{"status":"not_eligible","reason":"Age 45 on 2026-12-31, outside the eligible age range of 46 through 75."}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 3
json{
  "status": "not_eligible",
  "reason": "Member is 45 years old on 2026-12-31, below the eligible age range of 46 through 75 years."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
100Claude Haiku 4.5 · Anthropic11.4s · 670 out | 11.0s · 601 out | 10.0s · 854 out
Attempt 1
Reasoning · 618 tokens
Let me work through this quality measure logic step by step.

**MEASURE: QM-CRC — COLORECTAL CANCER SCREENING**
Measurement year: 2026-01-01 through 2026-12-31

**Step 1: Check eligibility (denominator)**

Age requirement: 46 through 75 years as of 2026-12-31
- Member 40205: DOB 1981-05-22
- Age as of 2026-12-31: 2026 - 1981 = 45 years old (turning 45 on May 22, 2026)
- **Does NOT meet age requirement (46-75). Member is 45.**

Continuous enrolment: the full measurement year with no more than one gap of up to 45 days
- Enrolment: 2026-01-01 through 2026-12-31, continuous
- **Meets enrolment requirement**

Since the member does NOT meet the age requirement, they never enter the denominator.

**Step 2: Status determination**

The member is "not_eligible" because they do not meet the age requirement (age 45, need 46-75).

**Step 3: Required fields**

status: "not_eligible"
reason: Must state the specific criterion that decided it - the age requirement not being met.

"Age 45 as of 2026-12-31; minimum age 46."

Let me make sure this is under 30 words: "Age 45 as of 2026-12-31; minimum age 46." - that's 9 words. ✓

Actually, let me recalculate the age more carefully:
- DOB: 1981-05-22
- As of 2026-12-31:
  - Years elapsed: 2026 - 1981 = 45 years
  - Birthday already passed by 2026-12-31, so member is 45.

Confirms member fails the 46-75 denominator requirement.

status: "not_eligible"
reason: "Age 45 as of 2026-12-31; minimum denominator age is 46."

No need for met_7_day or met_30_day fields here since this measure isn't QM-

FUM.

json{
  "status": "not_eligible",
  "reason": "Age 45 as of 2026-12-31; minimum denominator age is 46."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 2
Reasoning · 551 tokens
Let me work through this step by step.

The measure is QM-CRC (Colorectal Cancer Screening) for measurement year 2026-01-01 through 2026-12-31.

**MEMBER DETAILS:**
- Date of birth: 1981-05-22
- Age on 2026-12-31: 45 years old
- Enrolment: 2026-01-01 through 2026-12-31, continuous
- History: 2026-04-08 Faecal immunochemical test, negative
- No colorectal cancer, no colectomy, no hospice

**STEP 1: Check Eligibility (Denominator)**

For the denominator, I need:
1. Age 46-75 as of 2026-12-31
2. Continuous enrolment for the full measurement year with no more than one gap of up to 45 days

The member is 45 years old on 2026-12-31. The eligibility requires age 46 through 75.

The member does NOT meet the age requirement. The member is 45, not 46 or older.

Therefore, the member is "not_eligible" because they do not meet the age requirement for the denominator.

**STEP 2: Confirm Exclusions**

Even though the member is not eligible, let me check the exclusions to be thorough:
- E1: No colorectal cancer documented
- E2: No total colectomy documented
- E3: No hospice during measurement year
- E4: Not applicable (member is 45, not 66+)

The member does not meet any exclusions, but that doesn't matter because they're not even in the denominator.

**STEP 3: Conclusion**

The member's status is "not_eligible" because they do not meet the age requirement (45 years old, but need to be 46-75 as of 2026-12-31).
Age 45 falls one year short of the minimum threshold, so this is the deciding factor.

Final answer:
- status: "not_eligible"
- reason: "Age 45 on 2026-12-31; minimum eligibility is 46."

Short and pinpoints the exact disqualifying criterion.

json{
  "status": "not_eligible",
  "reason": "Age 45 on 2026-12-31; minimum eligibility is 46."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 3
Reasoning · 802 tokens
Let me work through this QM-CRC (Colorectal Cancer Screening) measure evaluation for Member 40205.

**Step 1: Check eligibility (denominator)**

The member must be:
- Age 46-75 as of 2026-12-31
- Continuously enrolled for the full measurement year with no more than one gap of up to 45 days

Member 40205's details:
- DOB: 1981-05-22
- Age on 2026-12-31: 2026 - 1981 = 45 years old
- Enrolment: 2026-01-01 through 2026-12-31, continuous

Issue: The member is 45 years old on 2026-12-31, but the denominator requires age 46-75. The member is 1 year below the minimum age requirement.

This means the member is **not_eligible** - they never enter the denominator because they don't meet the age requirement.

**Step 2: Verification**

Since the member is not eligible (doesn't meet the age criterion), I don't need to evaluate exclusions or numerator. The status should be "not_eligible".

The reason: The member is 45 years old on 2026-12-31, below the minimum age of 46 for the denominator.

**Step 3: Format the answer**

Required keys:
- "status": "not_eligible"
- "reason": A one-sentence explanation under 30 words

The reason should be: "Member is 45 years old on 2026-12-31, below the minimum age of 46 for denominator eligibility."

Let me count the words: Member(1) is(2) 45(3) years(4) old(5) on(6) 2026-12-31(7) below(8) the(9) minimum(10) age(11) of(12) 46(13) for(14) denominator(15) eligibility(16). That's 16 words, which is under 30.
Trimming further: "Age 45 on 2026-12-31, below the minimum age of 46 required for the denominator" comes to 14 words. I'll settle on something like "Member is 45 years old on 2026-12-31, below the minimum denominator age of 46."

Still 14 words. Tighter option: "Age 45 on 2026-12-31; below minimum denominator age of 46." — 10 words, clear and sufficient.

json{
  "status": "not_eligible",
  "reason": "Age 45 on 2026-12-31; below minimum denominator age of 46."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
100DeepSeek V3.2 · DeepSeek2.4s · 44 out | 1.6s · 45 out | 1.6s · 35 out
Attempt 1
json{
    "status": "not_eligible",
    "reason": "Member was age 45 as of 2026-12-31; denominator requires age 46-75."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 2
json{
    "status": "not_eligible",
    "reason": "Member was 45 years old on 2026-12-31; age requirement is 46 through 75."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 3
json{
    "status": "not_eligible",
    "reason": "Member age 45 is below the minimum required age of 46."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
67Grok 4.5 · xAI2.1s · 111 out | 2.8s · 143 out | 2.5s · 131 out
Attempt 1
Reasoning · 73 tokens
The member is 45 years old on 2026-12-31 (DOB 1981-05-22). Age requirement is 46 through 75 years. So they're not eligible due to age.
json{"status": "not_eligible", "reason": "Age 45 on 2026-12-31 is below the required 46-75 range."}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 2
Reasoning · 98 tokens
The member is 45 years old on 2026-12-31 (born 1981-05-22). The eligible population requires age 46 through 75 years as of 2026-12-31. So this member is not eligible due to age.
json{
  "status": "not_eligible",
  "reason": "Age 45 as of 2026-12-31 is below the required 46–75 denominator range."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 3
Reasoning · 131 tokens
The member is 45 years old on 2026-12-31 (born 1981-05-22). The eligible population requires age 46 through 75 years as of 2026-12-31. So this member is not eligible due to age.
[empty response]
Grader detail
json{
  "reason": "response did not contain parseable JSON"
}
67DeepSeek V4 Flash · DeepSeek1.1s · 140 out | 4.6s · 82 out | 9.6s · 228 out
Attempt 1
Reasoning · 98 tokens
We need to evaluate QM-CRC. Member age 45 as of 2026-12-31 (born 1981-05-22; on 2026-12-31, age 45). Eligible population age 46 through 75. So age 45 does not qualify. Thus not_eligible. Status "not_eligible", reason citing age criterion. Also note FIT in 2026 would meet numerator but age fails. Need under 30 words.
json{"status":"not_eligible","reason":"Member is 45 as of 2026-12-31, below the required age range of 46 through 75."}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}
Attempt 2
Reasoning · 21 tokens

   "met_7_day": false,
   "met_30_day": false
}
json{
  "status": "compliant",
  "reason": "FIT negative on 2026-04-08 falls within 2026, meeting numerator criterion N1.",
  "met_7_day": false,
  "met_30_day": false
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "compliant",
      "ok": false,
      "present": true
    }
  ],
  "fabricated": true,
  "abstained": false
}
Attempt 3
Reasoning · 181 tokens
The member is 45 years old on 2026-12-31, which falls within the age range of 46 through 75? Wait, the age requirement is 46 through 75 as of 2026-12-31. The member is 45 years old on that date. Therefore, the member does not meet the age criterion.

The member is not eligible for the denominator because they are not within the age range. Therefore, the status is "not_eligible".

The measure is QM-CRC, not QM-FUM, so the extra keys met_7_day and met_30_day are not required. The required keys are "status" and "reason".

The member had a FIT test, which is N1, but since they are not in the denominator due to age, they are not_eligible.

The reason should be under 30 words.
json{
  "status": "not_eligible",
  "reason": "Age 45 on 2026-12-31 is below the required age of 46; does not enter the denominator."
}
Grader detail
json{
  "fields": [
    {
      "field": "status",
      "want": "not_eligible",
      "got": "not_eligible",
      "ok": true,
      "present": true
    }
  ],
  "fabricated": false,
  "abstained": false
}