I65 ICD-10-CM Code: Occlusion and stenosis of precerebral arteries, not resulting in cerebral infarction
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
I65Occlusion and stenosis of precerebral arteries, not resulting in cerebral infarction
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where I65 sits
- 1
Chapter 9
Diseases of the circulatory system (I00-I99)
- 2
Section
Cerebrovascular diseases (I60-I69)
- 3
Category I65
Occlusion and stenosis of precerebral arteries, not resulting in cerebral infarction
- 4
Code I65
Occlusion and stenosis of precerebral arteries, not resulting in cerebral infarction
More specific choices
Codes under I65
I65 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for I65.
Code first
No “code first” instruction is listed for I65.
Use additional code
No “use additional code” instruction is listed for I65.
Excludes1
Conditions that should not be reported together with this code.
- insufficiency, NOS, of precerebral artery (G45.-)
- insufficiency of precerebral arteries causing cerebral infarction (I63.0-I63.2)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for I65.
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code I65 mean?
I65 is the FY 2027 U.S. ICD-10-CM code for “Occlusion and stenosis of precerebral arteries, not resulting in cerebral infarction.”
Is I65 a billable or specific ICD-10-CM code?
No. I65 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is I65 located in ICD-10-CM?
I65 is listed in Chapter 9, Diseases of the circulatory system (I00-I99), within Cerebrovascular diseases (I60-I69) (I60–I69), under category I65, Occlusion and stenosis of precerebral arteries, not resulting in cerebral infarction.
What coding notes are listed for I65?
No inclusion terms are listed for I65 in this reference record. No code-first instruction is listed. Excludes1 notes: insufficiency, NOS, of precerebral artery (G45.-); insufficiency of precerebral arteries causing cerebral infarction (I63.0-I63.2). No Excludes2 note is listed.
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