08Diseases of the nervous system
Cerebrovascular diseases
Cerebral ischaemia
8B11Cerebral ischaemic stroke
8B11.5Cerebral ischaemic stroke of unknown cause
8B11.50
category
Cerebral ischaemic stroke due to unspecified occlusion or stenosis of extracranial large artery
Definition This is a sudden loss of brain function due to a lack of adequate blood flow of the large extracranial arteries.
Coding note If an additional code is used for anatomy, the artery affected by the stroke should be selected.
Also indexed as
Cerebral ischaemic stroke due to thrombus of extracranial large artery Cerebral ischaemic stroke due to unspecified occlusion or stenosis of extracranial large artery Stroke due to occlusion or stenosis of common carotid artery Stroke due to occlusion or stenosis of internal carotid artery
Nearby in Cerebral ischaemic stroke of unknown cause
International Classification of Diseases, Eleventh Revision (ICD-11), World Health Organization (WHO) 2019/2021, https://icd.who.int/browse11. Licensed under Creative Commons Attribution-NoDerivatives 3.0 IGO (CC BY-ND 3.0 IGO).
Release 2026-01.
View this entity in the official WHO ICD-11 browser .
This page reproduces WHO classification content for reference. It is not
medical advice and must not be used to diagnose or treat. For coding
decisions, consult the official release and your national coding guidelines.
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