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I65 Occlusion and stenosis of precerebral arteries, not resulting in cerebral infarction
BackI65.0Occlusion and stenosis of vertebral arteryCategory4 →I65.01Occlusion and stenosis of right vertebral arteryCategoryI65.02Occlusion and stenosis of left vertebral arteryCategoryI65.03Occlusion and stenosis of bilateral vertebral arteriesCategoryI65.09Occlusion and stenosis of unspecified vertebral arteryCategoryI65.1Occlusion and stenosis of basilar arteryCategoryI65.2Occlusion and stenosis of carotid arteryCategory4 →I65.21Occlusion and stenosis of right carotid arteryCategoryI65.22Occlusion and stenosis of left carotid arteryCategoryI65.23Occlusion and stenosis of bilateral carotid arteriesCategoryI65.29Occlusion and stenosis of unspecified carotid arteryCategoryI65.8Occlusion and stenosis of other precerebral arteriesCategoryI65.9Occlusion and stenosis of unspecified precerebral arteryCategory
Category
I65
Occlusion and stenosis of precerebral arteries, not resulting in cerebral infarction
INCLUDES
embolism of precerebral artery
narrowing of precerebral artery
obstruction (complete) (partial) of precerebral artery
thrombosis of precerebral artery
narrowing of precerebral artery
obstruction (complete) (partial) of precerebral artery
thrombosis of precerebral artery
EXCLUDES
Excludes1: insufficiency, NOS, of precerebral artery (G45.-)
insufficiency of precerebral arteries causing cerebral infarction (I63.0-I63.2)
insufficiency of precerebral arteries causing cerebral infarction (I63.0-I63.2)
- Chapter
- IX · Diseases of the circulatory system
- Section
- I60-I69
- Valid from
Source
CMS ICD-10-CM Tabular List, edition FY2026.