1A33.1

ICD-11 MMS 2026-01

Cystoisosporiasis of colon

Description

Isosporiasis of colon is a large intestinal inflammation caused by the protozoan Isospora belli.

Index terms

  • Cystoisosporiasis of colon
  • coccidial colitis

Exclusions from above levels

  • NE83.1 – Infection arising from device, implant or graft, not elsewhere classified

Sibling codes

  • 1A33.0 – Cystoisosporiasis of small intestine
  • 1A33.Y – Other specified cystoisosporiasis
  • 1A33.Z – Cystoisosporiasis, unspecified

Foundation entity

Cystoisosporiasis of colon – http://id.who.int/icd/entity/883510242

Allowed postcoordination axes

Part of: 1A33: Cystoisosporiasis › 01: Certain infectious or parasitic diseases