20Developmental anomalies Structural developmental anomalies primarily affecting one body system Structural developmental anomalies of the nervous system LA07Structural developmental anomalies of the neurenteric canal, spinal cord or vertebral column
LA07.3
category
Primary syringomyelia or hydromyelia
Definition A condition caused by failure of the spinal canal to correctly develop during the antenatal period. This condition is characterised by a cavity within the spinal cord in which cerebrospinal fluid can accumulate. Confirmation is through observation of a fluid filled cavity within the spinal cord by imaging.
Also indexed as
Congenital hydromyelia Congenital syringomyelia or hydromyelia Hydromyelia Hydrorachis Primary syringomyelia Primary syringomyelia or hydromyelia
Nearby in Structural developmental anomalies of the neurenteric canal, spinal cord or vertebral column
International Classification of Diseases, Eleventh Revision (ICD-11), World Health Organization (WHO) 2019/2021, https://icd.who.int/browse11. Licensed under Creative Commons Attribution-NoDerivatives 3.0 IGO (CC BY-ND 3.0 IGO).
Release 2026-01.
View this entity in the official WHO ICD-11 browser .
This page reproduces WHO classification content for reference. It is not
medical advice and must not be used to diagnose or treat. For coding
decisions, consult the official release and your national coding guidelines.
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