ICD-11 classes
11 Diseases of the circulatory system
Cerebrovascular diseases
Cerebral ischaemia
8B11 — Cerebral ischaemic stroke

ICD-11 8B11 — Cerebral ischaemic stroke

Acute focal neurological dysfunction caused by focal infarction at single or multiple sites of the brain. Evidence of acute infarction may come either from a) symptom duration lasting more than 24 hours, or b) neuroimaging or other technique in the clinically relevant area of the brain. The term does not include infarction of the retina.

The diagnosis includes nothing.

Diagnosis with code 8B11 contains 6 clarifying diagnoses:

1. 8B11.0 — Cerebral ischaemic stroke due to extracranial large artery atherosclerosis
2. 8B11.1 — Cerebral ischaemic stroke due to intracranial large artery atherosclerosis
3. 8B11.2 — Cerebral ischaemic stroke due to embolic occlusion
   It contains 5 clarifying diagnoses.
4. 8B11.3 — Cerebral ischaemic stroke due to small artery occlusion
5. 8B11.4 — Cerebral ischaemic stroke due to other known cause
   It contains 5 clarifying diagnoses.
6. 8B11.5 — Cerebral ischaemic stroke of unknown cause
   It contains 3 clarifying diagnoses.

The diagnosis is coded elsewhere:

• Cerebral ischaemia #7015