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magent Montreal IBD Phenotype Classifier
x402
magent Montreal IBD Phenotype Classifier 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).
Encodes clinician-assigned IBD disease parameters into a compact Montreal classification string (Satsangi 2006) for Crohn's disease or ulcerative colitis
Price / call$0.005
Success—
StatusUnknown
How this service works
Satsangi 2006 Montreal IBD phenotype (Vienna revision). Crohn: A1-A3, L1-L4, B1-B3, optional +L4 (not when isolated L4) and p. UC: E1-E3 plus S0-S3 as assigned. Compact string, no spaces. Not an activity index (not CDAI/Mayo), not Paris, not IBDU. magent does not perform endoscopy. Not a diagnosis. Not a medical device.
Output
A compact, space-free Montreal IBD classification string (e.g. 'A2L1B1p' for Crohn or 'E3S2' for UC) encoding the caller-assigned clinical parameters per Satsangi 2006. Not an activity index, not a diagnosis, not a medical device output.
Example use cases
Clinical registry IBD phenotype encoding
“I need to record a patient's Crohn's disease phenotype for our IBD registry — they have ileocolonic disease (L3), stricturing behaviour (B2), age of onset A2, and no perianal involvement. Can you encode that as a Montreal classification string?”
UC phenotype string for research dataset
“Encode this UC patient's phenotype in Montreal format: extensive disease (E3) with moderate severity (S2).”
Perianal Crohn phenotype for audit tool
“What's the Montreal classification for a Crohn's patient with colonic disease (L2), penetrating behaviour (B3), age of onset A3, and concomitant perianal disease?”
Technical details
Endpoint
GEThttps://api.magentlab.com/api/calc/montreal_ibdWhen to prefer
Use this endpoint when you need to produce a standardised, compact Montreal IBD phenotype string from clinician-assigned parameters for Crohn's disease or ulcerative colitis per the Satsangi 2006 Vienna revision. Prefer this over manual string construction to ensure correct formatting, valid combinations, and consistent notation. Do not use for activity indices (CDAI, Mayo), Paris classification, IBDU, or when a diagnosis is needed — this is a formatting/encoding tool only.
Side effects
- Missing required 'disease' parameter returns validation error
- Supplying UC-only fields (extent, severity) when disease=crohn returns error
- Supplying Crohn-only fields (location, behaviour, perianal) when disease=uc returns error
- Invalid enum value for any field (e.g. unsupported location code) returns validation error
- IBDU or indeterminate colitis inputs are not supported and will error
- Isolated L4 with +L4 modifier is explicitly excluded and may return error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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