8B20

ICD-11 MMS 2026-01

Stroke not known if ischaemic or haemorrhagic

Description

Fulfills criteria for stroke in acute symptoms of focal brain injury that have lasted 24 hours or more (or led to death before 24 hours), but subtype of stroke (ischemic or haemorrhagic) has not been determined by neuroimaging or other techniques.

Index terms

  • Stroke not known if ischaemic or haemorrhagic
  • CVA - [cerebrovascular accident]
  • acute cerebrovascular accident
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  • apoplexy
  • brain vascular accident
  • cerebral accident
  • cerebral apoplexy
  • cerebral vascular accident
  • cerebrovascular accident
  • cerebrovascular event
  • cerebrovascular incident
  • massive cerebral vascular accident
  • massive cerebrovascular accident
  • stroke
  • stroke NOS
  • stroke syndrome
  • stroke, not specified as haemorrhage or infarction

Excludes

Exclusions from above levels

  • NA07 – Intracranial injury
  • 05 – Endocrine, nutritional or metabolic diseases
  • 18 – Complications of pregnancy, childbirth and the puerperium
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  • 19 – Certain conditions originating in the perinatal period
  • 22 – Injury, poisoning or certain other consequences of external causes

Sibling codes

  • 8B21 – Cerebrovascular disease with no acute cerebral symptom
  • 8B22 – Certain specified cerebrovascular diseases
  • 8B23 – Cerebrovascular abnormalities
  • 8B24 – Hypoxic-ischaemic encephalopathy
  • 8B25 – Late effects of cerebrovascular disease
  • 8B26 – Vascular syndromes of brain in cerebrovascular diseases
  • 8B2Z – Cerebrovascular diseases, unspecified

Foundation entity

Stroke not known if ischaemic or haemorrhagic – http://id.who.int/icd/entity/1442995018

Allowed postcoordination axes

Part of: 08: Diseases of the nervous system