DD70.1

ICD-11 MMS 2026-01

Crohn disease of small intestine

Description

Crohn disease, which is characterised by chronic and relapsing transmural inflammation, may affect any part of the digestive tract. This refers to Crohn disease involving the small intestine.

Index terms

  • Crohn disease of small intestine
  • regional enteritis of small intestine
  • Crohn disease of ileum
Show allHide
  • Crohn's ileitis
  • Terminal ileitis
  • regional enteritis of ileum
  • regional ileitis
  • regional ileitis of small intestine
  • segmental ileitis of small intestine
  • Crohn disease of jejunum
  • regional enteritis of jejunum
  • Crohn disease of both jejunum and ileum
  • Crohn disease of small intestine with abscess

Excludes

  • DD70.5 – Crohn disease of both small and large intestine

Exclusions from above levels

  • DD71 – Ulcerative colitis
  • 01 – Certain infectious or parasitic diseases
  • 02 – Neoplasms
Show allHide
  • 05 – Endocrine, nutritional or metabolic diseases
  • 06 – Mental, behavioural or neurodevelopmental disorders
  • 18 – Complications of pregnancy, childbirth and the puerperium
  • 22 – Injury, poisoning or certain other consequences of external causes

Sibling codes

  • DD70.0 – Crohn disease of upper gastrointestinal tract
  • DD70.2 – Crohn disease of appendix
  • DD70.3 – Crohn disease of large intestine
  • DD70.4 – Crohn disease of anal region
  • DD70.5 – Crohn disease of both small and large intestine
  • DD70.6 – Crohn disease of anastomotic sites
  • DD70.Y – Crohn disease of other specified site
  • DD70.Z – Crohn disease, unspecified site

Foundation entity

Crohn disease of small intestine – http://id.who.int/icd/entity/1221996518

Allowed postcoordination axes

Part of: DD70: Crohn disease › 13: Diseases of the digestive system