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I65 - Occlusion and stenosis of precerebral arteries, not resulting in cerebral infarction


The ICD 10 Code for Occlusion and stenosis of precerebral arteries, not resulting in cerebral infarction is listed as I65.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: I65
Description: 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
  • Excludes1: insufficiency, NOS, of precerebral artery (G45.-)
  • insufficiency of precerebral arteries causing cerebral infarction (I63.0-I63.2)
Chapter Diseases of the circulatory system (I00-I99)
ICD-10-CM Children (deeper level / typically more specific) of I65:
I65.0 - Occlusion and stenosis of vertebral artery
I65.1 - Occlusion and stenosis of basilar artery
I65.2 - Occlusion and stenosis of carotid artery
I65.8 - Occlusion and stenosis of other precerebral arteries
I65.9 - Occlusion and stenosis of unspecified precerebral artery