LA06.2

ICD-11 MMS 2026-01

Focal cerebellar dysplasia

Description

A condition caused by failure of the cerebellum to correctly develop during the antenatal period. This condition may present with hypotonia, facial deformities, abnormalities in eyes or in ocular motricity, cognitive deficiencies, or motor dysfunction. Confirmation is through observation of a malformed cerebellum by imaging.

Index terms

  • Focal cerebellar dysplasia

Exclusions from above levels

  • LA03 – Arnold-Chiari malformation type II
  • LA07.4 – Arnold-Chiari malformation type I
  • http://id.who.int/icd/entity/733825440 – Inborn errors of metabolism

Sibling codes

  • LA06.0 – Dandy-Walker malformation
  • LA06.1 – Hypoplasia or agenesis of cerebellar hemispheres
  • LA06.Y – Other specified cerebellar structural developmental anomalies
  • LA06.Z – Cerebellar structural developmental anomalies, unspecified

Foundation entity

Focal cerebellar dysplasia – http://id.who.int/icd/entity/1091708139

Part of: LA06: Cerebellar structural developmental anomalies › 20: Developmental anomalies