8B01.1

ICD-11 MMS 2026-01

Non-aneurysmal subarachnoid haemorrhage

Index terms

  • Non-aneurysmal subarachnoid haemorrhage
  • Perimesencephalic subarachnoid haemorrhage
  • Convexal subarachnoid haemorrhage
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  • Cryptogenic nontraumatic subarachnoid haemorrhage
  • Other non-aneurysmal subarachnoid haemorrhage
  • Congenital ruptured arteriovenous brain fistula
  • Rupture of cerebral arteriovenous malformation
  • Ruptured arteriovenous brain fistula

Exclusions from above levels

  • 8B25.2 – sequelae of subarachnoid haemorrhage
  • NA07.7 – Traumatic subarachnoid haemorrhage
  • NA07 – Intracranial injury
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  • 05 – Endocrine, nutritional or metabolic diseases
  • 18 – Complications of pregnancy, childbirth and the puerperium
  • 19 – Certain conditions originating in the perinatal period
  • 22 – Injury, poisoning or certain other consequences of external causes

Sibling codes

  • 8B01.0 – Aneurysmal subarachnoid haemorrhage
  • 8B01.2 – Subarachnoid haemorrhage not known if aneurysmal or non-aneurysmal

Foundation entity

Non-aneurysmal subarachnoid haemorrhage – http://id.who.int/icd/entity/247198410

Allowed postcoordination axes

Part of: 8B01: Subarachnoid haemorrhage › 08: Diseases of the nervous system