8B11.5 Cerebral ischaemic stroke of unknown cause
International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01
This is a sudden loss of brain function due to a lack of adequate blood flow. It is of an uncertain nature, and approximately 30% of examined events fall into this category.
inclusions
- cryptogenic stroke
sections/codes in this section (8B11.5-8B11.5)
- Cerebral ischaemic stroke due to unspecified occlusion or stenosis of extracranial large artery (8B11.50)
- Cerebral ischaemic stroke due to unspecified occlusion or stenosis of intracranial large artery (8B11.51)
- Cerebral ischaemic stroke, unspecified (8B11.5Z)
coding note
If an additional code is used for anatomy, the artery affected by the stroke should be selected.
postcoordination
Add Stem and/or Extension codes to form a cluster code which adds detail to the condition.
Laterality - only one may be selected
Specific anatomy - multiple selections are allowed
Has manifestation - multiple selections are allowed
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