LB31

ICD-11 MMS 2026-01

Structural developmental anomalies of urinary tract

Description

Any condition caused by failure of the urinary tract to correctly develop during the antenatal period.

Exclusions from above levels

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

Child codes

  • LB31.0 – Congenital hydronephrosis
  • LB31.1 – Congenital primary megaureter
  • LB31.2 – Fetal lower urinary tract obstruction
  • LB31.3 – Exstrophy of urinary bladder
  • LB31.4 – Congenital diverticulum of urinary bladder
  • LB31.5 – Duplication of urethra
  • LB31.6 – Congenital megalourethra
  • LB31.7 – Megacystis-megaureter
  • LB31.8 – Atresia or stenosis of ureter
  • LB31.9 – Agenesis of ureter
  • LB31.A – Duplication of ureter
  • LB31.B – Malposition of ureter
  • LB31.C – Congenital absence of bladder or urethra
  • LB31.D – Congenital vesico-uretero-renal reflux
  • LB31.Y – Other specified structural developmental anomalies of urinary tract
  • LB31.Z – Structural developmental anomalies of urinary tract, unspecified

Foundation children elsewhere

  • LB03.0 – Allantoic duct remnants or cysts

Sibling codes

  • LB30 – Structural developmental anomalies of kidneys
  • LB3Y – Other specified structural developmental anomalies of the urinary system
  • LB3Z – Structural developmental anomalies of the urinary system, unspecified

Foundation entity

Structural developmental anomalies of urinary tract – http://id.who.int/icd/entity/559816116

Allowed postcoordination axes

Part of: 20: Developmental anomalies