LB17.2

ICD-11 MMS 2026-01

Persistent cloaca

Description

A congenital anomaly in which the intestinal, urinary, and reproductive ducts open into a common cavity, a result of the failure of the urorectal septum to form during prenatal development. They occur exclusively in girls and comprise the most complex defect in the spectrum of anorectal malformations.

Index terms

  • Persistent cloaca
  • Cloaca NOS
  • anal and urogenital canal fusion
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  • anal fusion

Exclusions from above levels

  • http://id.who.int/icd/entity/733825440 – Inborn errors of metabolism

Sibling codes

  • LB17.0 – Anorectal malformations
  • LB17.1 – Ectopic anus
  • LB17.3 – Cloacal exstrophy
  • LB17.4 – Perineal groove
  • LB17.Y – Other specified structural developmental anomalies of anal canal
  • LB17.Z – Structural developmental anomalies of anal canal, unspecified

Foundation entity

Persistent cloaca – http://id.who.int/icd/entity/2131510660

Part of: LB17: Structural developmental anomalies of anal canal › 20: Developmental anomalies