World Health Organization · 2026-01 · English

8B11.5 Cerebral ischaemic stroke of unknown cause

Official WHO ICD-11 MMS tabulation. This international classification is separate from US ICD-10-CM. For complete instructions and postcoordination, consult the WHO browser.

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Coding notes · WHO

If an additional code is used for anatomy, the artery affected by the stroke should be selected.

More specific codes

8B11.50Cerebral ischaemic stroke due to unspecified occlusion or stenosis of extracranial large artery 8B11.51Cerebral ischaemic stroke due to unspecified occlusion or stenosis of intracranial large artery 8B11.5ZCerebral ischaemic stroke, unspecified

US · ICD-10-CM · CDC/NCHS →