I65
Occlusion and stenosis of precerebral arteries, not resulting in cerebral infarction
- Release
- FY 2027
- Effective
Official Coding Notes
Reproduced verbatim from the FY 2027 ICD-10-CM files.
Includes
embolism of precerebral artery
Includes
narrowing of precerebral artery
Includes
obstruction (complete) (partial) of precerebral artery
Includes
thrombosis of precerebral artery
Excludes1
insufficiency, NOS, of precerebral artery ( G45 .-)
Excludes1
insufficiency of precerebral arteries causing cerebral infarction (I63.0-I63.2)
More Specific Codes
5 codes under I65
- I65.0 Occlusion and stenosis of vertebral artery Has subcodes
- I65.1 Occlusion and stenosis of basilar artery Billable
- I65.2 Occlusion and stenosis of carotid artery Has subcodes
- I65.8 Occlusion and stenosis of other precerebral arteries Billable
- I65.9 Occlusion and stenosis of unspecified precerebral artery Billable
Version History
How I65 appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentOcclusion and stenosis of precerebral arteries, not resulting in cerebral infarction
-
FY 2026 Effective
UnchangedOcclusion and stenosis of precerebral arteries, not resulting in cerebral infarction
Data Source
Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.
- Release
- FY 2027
- Effective
- Source file
- icd10cm-code-descriptions-2027.zip
Official ICD-10-CM source files (opens in a new tab)
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