8D64.1

ICD-11 MMS 2026-01

Non-communicating hydrocephalus

Description

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.

Exclusions from above levels

  • 05 – Endocrine, nutritional or metabolic diseases
  • 18 – Complications of pregnancy, childbirth and the puerperium
  • 19 – Certain conditions originating in the perinatal period
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  • 22 – Injury, poisoning or certain other consequences of external causes

Child codes

  • 8D64.10 – Hydrocephalus due to structural malformations
  • 8D64.1Y – Other specified non-communicating hydrocephalus
  • 8D64.1Z – Non-communicating hydrocephalus, unspecified

Foundation children elsewhere

  • KB05.0 – Neonatal obstructive hydrocephalus

Sibling codes

  • 8D64.0 – Communicating hydrocephalus
  • 8D64.2 – Ex-vacuo hydrocephalus
  • 8D64.Z – Hydrocephalus, unspecified

Foundation entity

Non-communicating hydrocephalus – http://id.who.int/icd/entity/210183601

Part of: 8D64: Hydrocephalus › 08: Diseases of the nervous system