LA05.62ICD-11 MMS 2026-01
Hydranencephaly
Description
A condition caused by failure of the cerebral hemispheres to develop during the antenatal period. This condition is characterised by a lack of a forebrain upon imaging. This condition may present with visual impairment, lack of growth, deafness, blindness, spastic quadriparesis, or intellectual deficits.
Index terms
- Hydranencephaly
- Hemihydranencephaly
Exclusions from above levels
LA01– Encephalocele- http://id.who.int/icd/entity/733825440 – Inborn errors of metabolism
Sibling codes
Foundation entity
Part of: LA05.6: Encephaloclastic disorders › LA05: Cerebral structural developmental anomalies › 20: Developmental anomalies