LA00ICD-11 MMS 2026-01
Anencephaly or similar anomalies
Description
A malformation of the nervous system caused by the failure of neuropore closure. Infants are born with intact spinal cord, cerebellum, and brainstem, but lack formation of neural structures above this level. The skull is only partially formed but the eyes are usually normal.
Exclusions from above levels
- http://id.who.int/icd/entity/733825440 – Inborn errors of metabolism
Child codes
Sibling codes
LA01– CephaloceleLA02– Spina bifidaLA03– Arnold-Chiari malformation type IILA04– Congenital hydrocephalusLA05– Cerebral structural developmental anomaliesLA06– Cerebellar structural developmental anomaliesLA07– Structural developmental anomalies of the neurenteric canal, spinal cord or vertebral columnLA0Y– Other specified structural developmental anomalies of the nervous systemLA0Z– Structural developmental anomalies of the nervous system, unspecified
Foundation entity
Anencephaly or similar anomalies – http://id.who.int/icd/entity/458634958
Part of: 20: Developmental anomalies