World Health Organization · 2026-01 · English
8B11 Cerebral ischaemic stroke
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.
Coding notes · WHO
When the cause of ischaemic stroke is known, code to the cause. When the cause of ischaemic stroke is not known, code to 8B11.5-. When the cause of stroke is not known, code to 8B20 Stroke not known if ischaemic or haemorrhagic.
More specific codes
8B11.0Cerebral ischaemic stroke due to extracranial large artery atherosclerosis8B11.1Cerebral ischaemic stroke due to intracranial large artery atherosclerosis8B11.2Cerebral ischaemic stroke due to embolic occlusion8B11.3Cerebral ischaemic stroke due to small artery occlusion8B11.4Cerebral ischaemic stroke due to other known cause8B11.5Cerebral ischaemic stroke of unknown cause© World Health Organization · CC BY-ND 3.0 IGO