LB50

ICD-11 MMS 2026-01

Micropenis or penis agenesis

Description

A condition caused by reduced androgen production during the antenatal period. This condition is characterised by an absent, or unusually small penis. Confirmation is by measuring the length of a dorsal erectile penis.

Index terms

  • Micropenis or penis agenesis
  • Absence of penis
  • absent penis
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  • agenesis of the penis
  • aplasia of penis
  • congenital absence of penis
  • congenital absence or aplasia of penis

Exclusions from above levels

  • LD2A – Disorders of sex development leading to sexual ambiguity
  • http://id.who.int/icd/entity/733825440 – Inborn errors of metabolism

Sibling codes

  • LB51 – Anorchia or microorchidia
  • LB52 – Cryptorchidism
  • LB53 – Hypospadias
  • LB54 – Congenital chordee
  • LB55 – Epispadias
  • LB56 – Bifid scrotum
  • LB57 – Agenesis of vas deferens
  • LB58 – Polyorchidism
  • LB59 – Hypoplasia of testis or scrotum
  • LB5Y – Other specified structural developmental anomalies of the male genital system
  • LB5Z – Structural developmental anomalies of the male genital system, unspecified

Foundation entity

Micropenis or penis agenesis – http://id.who.int/icd/entity/1500594713

Part of: 20: Developmental anomalies