8D64.01

ICD-11 MMS 2026-01

Congenital agenesis of arachnoid villi

Index terms

  • Congenital agenesis of arachnoid villi

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

Sibling codes

  • 8D64.00 – Increased cerebrospinal fluid production
  • 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

Foundation entity

Congenital agenesis of arachnoid villi – http://id.who.int/icd/entity/969058597

Part of: 8D64.0: Communicating hydrocephalus › 8D64: Hydrocephalus › 08: Diseases of the nervous system