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I65.0

⚠ Non-billable (Header)

Occlusion and stenosis of vertebral artery

Diseases of the circulatory system (I00-I99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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❌ Excludes1

inherited from I65

Rules from parent category I65: Occlusion and stenosis of precerebral arteries, not resulting in cerebral infarction

  • • insufficiency, NOS, of precerebral artery (G45.-)
  • • insufficiency of precerebral arteries causing cerebral infarction (I63.0-I63.2)

Child Codes (4)

I65.01Occlusion and stenosis of right vertebral arteryI65.02Occlusion and stenosis of left vertebral arteryI65.03Occlusion and stenosis of bilateral vertebral arteriesI65.09Occlusion and stenosis of unspecified vertebral artery

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Code Information

CodeI65.0
BillableNo — Header code
ParentI65
CategoryDiseases of the circulatory system (I00-I99)
Excludes12 rule(s)
Excludes20 note(s)
Child codes4

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)