I65
Occlusion and stenosis of precerebral arteries, not resulting in cerebral infarction
Non-billableCategory
Chapter: 9. Diseases of the circulatory system
Section: I60-I69 - Cerebrovascular diseases
Coding Guidelines
Includes
- embolism of precerebral artery
- narrowing of precerebral artery
- obstruction (complete) (partial) of precerebral artery
- thrombosis of precerebral artery
Excludes1 (Mutually Exclusive)
These codes should never be used together with I65
- insufficiency, NOS, of precerebral artery (G45.-)
- I63.0-I632 - insufficiency of precerebral arteries causing cerebral infarction (I63.0-I63.2)


