LB03.0

ICD-11 MMS 2026-01

Allantoic duct remnants or cysts

Description

Any condition caused by failure of the umbilical cord to correctly develop during the antenatal period. These conditions are characterised by cysts or remnants of allantoic tissue within the umbilical cord, the umbilicus, or the urachus.

Index terms

  • Allantoic duct remnants or cysts
  • Malformations of urachus
  • Urachus remnants or cysts
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  • Urachal cyst
  • Cyst of urachus
  • Patent urachus
  • Patent urachal duct
  • Persistent urachus
  • Remnant urachus
  • Urachal fistula
  • Urachal sinus
  • Urachal diverticulum
  • Prolapse of urachus

Exclusions from above levels

  • LD2F.10 – Prune belly syndrome
  • http://id.who.int/icd/entity/733825440 – Inborn errors of metabolism

Sibling codes

  • LB03.1 – Single umbilical cord artery
  • LB03.Y – Other specified structural developmental anomalies of umbilical cord
  • LB03.Z – Structural developmental anomalies of umbilical cord, unspecified

Foundation entity

Allantoic duct remnants or cysts – http://id.who.int/icd/entity/283910751

Part of: LB03: Structural developmental anomalies of umbilical cord › 20: Developmental anomalies