LA05.8

ICD-11 MMS 2026-01

Colpocephaly

Description

A condition caused by the white matter in the posterior cerebrum failing to develop or thicken during the antenatal period. This condition is characterised by the occipital horns – the posterior or rear portion of the lateral ventricles (cavities) of the brain – being larger than normal.

Index terms

  • Colpocephaly
  • Vesiculocephaly

Excludes

  • LA05.60 – Porencephaly
  • ME93 – stenosis of interventricular foramen

Exclusions from above levels

  • LA01 – Encephalocele
  • http://id.who.int/icd/entity/733825440 – Inborn errors of metabolism

Sibling 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.Y – Other specified cerebral structural developmental anomalies
  • LA05.Z – Cerebral structural developmental anomalies, unspecified

Foundation entity

Colpocephaly – http://id.who.int/icd/entity/845275248

Part of: LA05: Cerebral structural developmental anomalies › 20: Developmental anomalies