08Diseases of the nervous system
Disorders of cerebrospinal fluid pressure or flow
8D64Hydrocephalus
8D64.1
category
Non-communicating hydrocephalus
Definition It represents a form of hydrocephalus where there is an excessive accumulation of CSF within the ventricles caused by blockage of its pathway and due to several causes.
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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