ICD-11 classes
08 Diseases of the nervous system
Disorders of cerebrospinal fluid pressure or flow
8D64 — Hydrocephalus
8D64.0 — Communicating hydrocephalus
ICD-11 8D64.0 — Communicating hydrocephalus
Communicating hydrocephalus, also known as non-obstructive hydrocephalus, is a disorder characterised by impaired cerebrospinal fluid reabsorption in the absence of any CSF-flow obstruction between the ventricles and subarachnoid space.
The diagnosis includes nothing.
The diagnosis excludes nothing.
Diagnosis with code 8D64.0 contains 7 clarifying diagnoses:
- 8D64.00 — Increased cerebrospinal fluid production
- 8D64.01 — Congenital agenesis of arachnoid villi
- 8D64.02 — Post haemorrhagic hydrocephalus
- 8D64.03 — Post traumatic hydrocephalus
- 8D64.04 — Normal-pressure hydrocephalus
- 8D64.0Y — Other specified communicating hydrocephalus
- 8D64.0Z — Communicating hydrocephalus, unspecified