Paris Classification for Pediatric IBD

Name: Paris Classification for Pediatric IBD
Creator: Daniel Diaz-Gil, MD
Keywords: IBD, Crohn, ulcerative colitis, Paris, Montreal, phenotype, classification, pediatric, gastroenterology

Standardized phenotypic classification for pediatric Crohn's disease and ulcerative colitis per Paris modification of Montreal classification.

Clinically Verified· 7 tests

For educational and informational purposes only. Verify all results before clinical application.

Disease Type *

Age at Diagnosis *

L1 — Ileal

L2 — Colonic

L3 — Ileocolonic

L4a — Upper disease proximal to Treitz

L4b — Upper disease distal to Treitz

Disease Behavior

Perianal Disease

Growth Delay

Extent of Disease (UC)

Severity (UC)

References

Levine A, et al. Pediatric modification of the Montreal classification for inflammatory bowel disease: the Paris classification. Inflamm Bowel Dis. 2011;17(6):1314-1321.[DOI]

Reviewed by Daniel Diaz-Gil, MD · Last updated March 2026

Medical disclaimer

This tool is for educational and informational purposes only. It is not a substitute for professional clinical judgment. Always independently verify results before making clinical decisions.

Professional Resources — Tools used by pediatricians for GI assessment

Pediatric GI HandbookClinical reference for pediatric gastroenterology~$70via Amazon ESPGHAN Reference GuideEuropean Society guidelines for pediatric GI and nutrition~$25via Amazon