LA05

ICD-11 MMS 2026-01

Cerebral structural developmental anomalies

Description

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

Excludes

  • LA01 – Encephalocele

Exclusions from above levels

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

Child codes

  • LA05.0 – Microcephaly
  • LA05.1 – Megalencephaly
  • LA05.2 – Holoprosencephaly
  • LA05.3 – Corpus callosum agenesis
  • LA05.4 – Arrhinencephaly
  • LA05.5 – Abnormal neuronal migration
  • LA05.6 – Encephaloclastic disorders
  • LA05.7 – Brain cystic malformations
  • LA05.8 – Colpocephaly
  • LA05.Y – Other specified cerebral structural developmental anomalies
  • LA05.Z – Cerebral structural developmental anomalies, unspecified

Sibling codes

  • LA00 – Anencephaly or similar anomalies
  • LA01 – Cephalocele
  • LA02 – Spina bifida
  • LA03 – Arnold-Chiari malformation type II
  • LA04 – Congenital hydrocephalus
  • LA06 – Cerebellar structural developmental anomalies
  • LA07 – Structural developmental anomalies of the neurenteric canal, spinal cord or vertebral column
  • LA0Y – Other specified structural developmental anomalies of the nervous system
  • LA0Z – Structural developmental anomalies of the nervous system, unspecified

Foundation entity

Cerebral structural developmental anomalies – http://id.who.int/icd/entity/327560976

Part of: 20: Developmental anomalies