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ACR/EULAR 2012 PMR Classification Calculator (Dasgupta Table 4)
x402
ACR/EULAR 2012 PMR Classification Calculator (Dasgupta Table 4) is a paid API for AI agents from api.magentlab.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-15).
Scores and classifies polymyalgia rheumatica using the ACR/EULAR 2012 Dasgupta Table 4 criteria, with optional ultrasound algorithm
Price / call$0.005
Success—
StatusUnknown
How this service works
ACR/EULAR 2012 PMR classification (Dasgupta Table 4). Required: age 50–120, bilateral shoulder aching, abnormal CRP or ESR. Score morning stiffness >45 min 2, hip pain or limited ROM 1, RF or ACPA absent 2, other joint pain absent 1. Without ultrasound: max 6, classified iff ≥4. With ultrasound: add shoulder-and-hip 1 and both shoulders 1; max 8, classified iff ≥5. Not a diagnosis (not meant for diagnostic purposes). magent does not assay CRP/ESR/RF/ACPA or perform ultrasound.
Output
Returns a numeric PMR classification score, the maximum possible score (6 without ultrasound, 8 with), whether the patient is classified as PMR (true if score ≥4 without ultrasound, ≥5 with), and the individual point contributions of each criterion per Dasgupta 2012 Table 4.
Example use cases
PMR classification without ultrasound
“I have a 65-year-old patient with bilateral shoulder aching and abnormal ESR. Morning stiffness lasts more than 45 minutes, there's hip pain with limited ROM, RF and ACPA are both absent, and no other joint involvement. Can you run the ACR/EULAR 2012 PMR score without ultrasound and tell me if they classify?”
PMR scoring with ultrasound data
“Apply the Dasgupta 2012 PMR classification algorithm with ultrasound for a 58-year-old: bilateral shoulder aching confirmed, CRP is abnormal, morning stiffness greater than 45 minutes, no hip pain, RF absent, no other joint pain, ultrasound shows at least one shoulder and one hip positive, but not both shoulders positive. What's the score and does the patient classify?”
Borderline PMR case evaluation
“Can you calculate the ACR/EULAR PMR classification score for a 55-year-old with bilateral shoulder aching, abnormal CRP, morning stiffness under 45 minutes, no hip pain, RF and ACPA absent, and no other joint pain — no ultrasound — and tell me whether they meet the threshold?”
Technical details
Endpoint
GEThttps://api.magentlab.com/api/calc/acr_eular_pmrWhen to prefer
Use this endpoint when you need to apply the formal ACR/EULAR 2012 PMR classification algorithm (Dasgupta Table 4) programmatically, with or without ultrasound scoring. Prefer this over manual calculation when integrating into a clinical decision support pipeline or agentic workflow where structured, auditable scoring is required. Not suitable as a diagnostic tool — it is a classification aid only and does not perform any lab assays or imaging.
Side effects
- abnormal_crp_or_esr set to false — invalid per required criteria, endpoint rejects or returns error
- age outside 50–120 range — required criterion not met, returns error or invalid classification
- include_ultrasound set to true but us_shoulder_and_hip or us_both_shoulders not provided — missing required ultrasound fields
- missing required query parameters — returns 400-level error
- network or service unavailability — returns 5xx error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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