DB33

ICD-11 MMS 2026-01

Certain noninfectious colitis or proctitis

Description

Noninfectious colitis and proctitis is inflammation or tissue defect in the large intestine of non-infectious origin, but not included in inflammatory bowel diseases, including specific type of colitis, colitis due to medication including chemotherapy or radiation therapy side effects; or allergic or systemic disorders.

Excludes

  • http://id.who.int/icd/entity/588616678 – Gastroenteritis or colitis of infectious origin
  • http://id.who.int/icd/entity/598093212 – Inflammatory bowel diseases

Exclusions from above levels

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

Child codes

  • DB33.0 – Primary ulcer of colon
  • DB33.1 – Microscopic colitis
  • DB33.2 – Allergic or dietetic colitis
  • DB33.3 – Diversion colitis
  • DB33.4 – Colitis or proctitis due to external causes
  • DB33.Y – Other specified noninfectious colitis or proctitis
  • DB33.Z – Noninfectious colitis or proctitis, unspecified

Sibling codes

  • DB30 – Obstruction of large intestine
  • DB31 – Other acquired anatomical alterations of large intestine
  • DB32 – Motility disorders of large intestine
  • DB34 – Certain vascular disorders of large intestine
  • DB35 – Polyp of large intestine
  • DB36 – Certain infections of the large intestine
  • DB3Y – Other specified diseases of large intestine
  • DB3Z – Diseases of large intestine, unspecified

Foundation entity

Certain noninfectious colitis or proctitis – http://id.who.int/icd/entity/706550431

Allowed postcoordination axes

Part of: 13: Diseases of the digestive system