DB31.0

ICD-11 MMS 2026-01

Fistula of large intestine

Description

Fistula of large intestine is defined as an abnormal communication between the large intestine and another epithelialized surface such as the skin, an adjacent organ or an adjacent loop of bowel. Colovesical fistula is the most common, but colovaginal, colocolic, coloileal, colocutaneous, and coloanal fistulae have been described. Fistulas due to Crohn disease are excluded from here.

Index terms

  • Fistula of large intestine
  • Rectal fistula
  • Fistula of rectum to skin
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  • perineorectal fistula
  • perirectal fistula
  • rectum fistula
  • Fistula of sigmoid colon
  • abdominosigmoidal fistula

Exclusions from above levels

  • DB30 – Obstruction of large intestine
  • http://id.who.int/icd/entity/1964968944 – Diverticular disease of large intestine
  • 01 – Certain infectious or parasitic diseases
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  • 02 – Neoplasms
  • 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

Foundation children elsewhere

  • GC04.12 – Fistula of large intestine to vagina
  • GC04.16 – Rectovaginal fistula

Sibling codes

  • DB31.1 – Pneumatosis intestinalis of large intestine
  • DB31.2 – Rectal prolapse
  • DB31.Y – Other specified acquired anatomical alterations of large intestine
  • DB31.Z – Acquired anatomical alterations of large intestine, unspecified

Foundation entity

Fistula of large intestine – http://id.who.int/icd/entity/152776804

Allowed postcoordination axes

Part of: DB31: Other acquired anatomical alterations of large intestine › 13: Diseases of the digestive system