Is I65 a billable code?
No. I65 is a header code that groups 11 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
I65: Occlusion and stenosis of precerebral arteries, not resulting in cerebral infarction
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
I65 groups related diagnoses under occlusion and stenosis of precerebral arteries, not resulting in cerebral infarction. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under I65
- I65.01Occlusion and stenosis of right vertebral artery
- I65.02Occlusion and stenosis of left vertebral artery
- I65.03Occlusion and stenosis of bilateral vertebral arteries
- I65.09Occlusion and stenosis of unspecified vertebral artery
- I65.1Occlusion and stenosis of basilar artery
- I65.21Occlusion and stenosis of right carotid artery
- I65.22Occlusion and stenosis of left carotid artery
- I65.23Occlusion and stenosis of bilateral carotid arteries
- I65.29Occlusion and stenosis of unspecified carotid artery
- I65.8Occlusion and stenosis of other precerebral arteries
- I65.9Occlusion and stenosis of unspecified precerebral artery
I65 questions
What does I65 mean?
I65 is the ICD-10-CM code for Occlusion and stenosis of precerebral arteries, not resulting in cerebral infarction. It is in chapter 9, Diseases of the circulatory system (I00-I99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.