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magent

ASAS 2009 axial SpA classification (Rudwaleit set 3a / fig 2). Required: chronic back pain ≥3 months and age at onset <45. Imaging arm: MRI or modified New York sacroiliitis plus ≥1 of 11 SpA features. Clinical arm: HLA-B27 plus ≥2 other fe

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Our latest check (2026-10-11)

Answering
Yes — valid x402 payment terms
Time to answer
562 ms
Price
$0.005 per call
Paying buyers, last 30 days
2 (directory's own records)
Paid calls, last 30 days
3
Category
Health (non-drug)
Address
https://api.magentlab.com/api/calc/asas_axial_spa

Accuracy

Accuracy scores are published once a seller has enough paid checks against an independent record (at least 7 scored answers over at least 7 days). Until then no score is shown, and a missing score is never a pass.

For agents

This page as JSON: /sellers/d4299f813968.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).

Sellers can see the evidence behind their checks and ask for a re-check at [email protected].