{"slug":"api-magentlab-com-api-calc-montreal-ibd-91ae63","title":"Satsangi 2006 Montreal IBD phenotype (Vienna revision)","host":"api.magentlab.com","method":"POST","resource":"https://api.magentlab.com/api/calc/montreal_ibd","category":"other","description":"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. ","price_listed":0.005,"price_asked":0.005,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":287,"reported_calls_30d":0,"reported_payers_30d":0,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"items":[{"age_at_diagnosis":"A2","behaviour":"B1","disease":"crohn","extent":"E1","location":"L3","perianal":false,"severity":"S0","upper_gi":false},{"age_at_diagnosis":"A2","behaviour":"B1","disease":"crohn","extent":"E1","location":"L3","perianal":false,"severity":"S0","upper_gi":false}]},"method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"additionalProperties":false,"properties":{"items":{"items":{"properties":{"age_at_diagnosis":{"description":"Montreal Crohn age at diagnosis as assigned (Satsangi 2006): A1 ≤16 years, A2 17-40 years, A3 >40 years. Required when disease=crohn. Omit when disease=uc. magent does not assign the A token from a chart.","enum":["A1","A2","A3"],"type":"string"},"behaviour":{"description":"Montreal Crohn behaviour as assigned (Satsangi 2006): B1 non-stricturing non-penetrating, B2 stricturing, B3 penetrating. Required when disease=crohn. Omit when disease=uc. magent does not perform endoscopy.","enum":["B1","B2","B3"],"type":"string"},"disease":{"description":"Satsangi 2006 Montreal disease as assigned: crohn or uc. IBDU and indeterminate colitis are not encoded. magent does not diagnose IBD.","enum":["crohn","uc"],"type":"string"},"extent":{"description":"Montreal UC extent as assigned (Satsangi 2006): E1 ulcerative proctitis (distal to the rectosigmoid junction), E2 left-sided (distal to the splenic flexure), E3 extensive (proximal to the splenic flexure). Required when disease=uc. Omit when disease=crohn. magent does not perform endoscopy.","enum":["E1","E2","E3"],"type":"string"},"location":{"description":"Montreal Crohn location as assigned (Satsangi 2006): L1 ileal, L2 colonic, L3 ileocolonic, L4 isolated upper GI. Required when disease=crohn. Omit when disease=uc. magent does not perform endoscopy.","enum":["L1","L2","L3","L4"],"type":"string"},"perianal":{"description":"Concomitant perianal disease as assigned (Satsangi 2006 p modifier). true appends p after B1, B2, or B3. Required when disease=crohn. Omit when disease=uc. magent does not examine the patient.","type":"boolean"},"severity":{"description":"Montreal UC severity as assigned (Satsangi 2006): S0 clinical remission; S1 mild (≤4 stools/day with or without blood, no systemic illness, normal ESR); S2 moderate (>4 stools/day, minimal systemic toxicity); S3 severe (≥6 bloody stools/day AND pulse ≥90 AND temperature ≥37.5°C AND haemoglobin <10.5 g/100 ml AND ESR ≥30 mm/h). The caller assigns the S token. Required when disease=uc. Omit when disease=crohn. magent does not take vitals.","enum":["S0","S1","S2","S3"],"type":"string"},"upper_gi":{"description":"Concomitant upper GI disease as assigned (Satsangi 2006 L4 modifier). true adds +L4 after L1, L2, or L3. Must be false when location is isolated L4. Required when disease=crohn. Omit when disease=uc. magent does not perform endoscopy.","type":"boolean"}},"required":["disease"],"type":"object"},"maxItems":25,"minItems":1,"type":"array"}},"required":["items"],"type":"object"},"headers":{"additionalProperties":{"type":"string"},"type":"object"},"method":{"const":"POST","type":"string"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-09-28","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.005,"price_match":true,"latency_ms":287,"error":null}],"description_full":"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.","last_updated":"2026-09-28T14:09:25.427Z","schemes":["exact"]}