I65.2 (Occlusion and stenosis of carotid artery) is an umbrella ICD-10-CM medical diagnosis code in the Diseases of the circulatory system chapter. It identifies cases of occlusion and stenosis of carotid artery for clinical documentation, billing and epidemiological tracking.

ICD-10-CM · Category

I65.2 — Occlusion and stenosis of carotid artery

Chapter I00-I99: Diseases of the circulatory system

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Sub-codes under I65.2

I65.21Occlusion and stenosis of right carotid arteryI65.22Occlusion and stenosis of left carotid arteryI65.23Occlusion and stenosis of bilateral carotid arteriesI65.29Occlusion and stenosis of unspecified carotid artery

Related diagnoses

I65.0Occlusion and stenosis of vertebral arteryI65.1Occlusion and stenosis of basilar arteryI65.8Occlusion and stenosis of other precerebral arteriesI65.9Occlusion and stenosis of unspecified precerebral artery

Common questions about I65.2 (Occlusion and stenosis of carotid artery)

What does ICD-10 code I65.2 mean?
I65.2 is the ICD-10-CM 2025 code for Occlusion and stenosis of carotid artery. ICD-10-CM is the medical coding system used by clinicians, hospitals and insurers worldwide to classify diseases and conditions in a standard way.
Is I65.2 a billable diagnosis code?
I65.2 is a category-level (umbrella) code rather than a billable specific code. For billing purposes, clinicians typically use a more specific sub-code under I65.2. Browse the sub-codes listed on this page.
Which ICD-10 chapter does I65.2 belong to?
I65.2 belongs to the chapter "Diseases of the circulatory system" (codes I00-I99). ICD-10-CM organises codes into 22 chapters by body system or condition type, which helps clinicians navigate related diagnoses.
Where can I get plain-language information about Occlusion and stenosis of carotid artery?
For a plain-language explanation of Occlusion and stenosis of carotid artery, ask GoDavaii's Health AI - it explains medical conditions in 22+ Indian languages, free, with no signup. Tap "Ask GoDavaii AI about Occlusion and stenosis of carotid artery" above to get a personalised answer.

Source: ICD-10-CM 2025 (Centers for Medicare & Medicaid Services, public domain). Codes valid from October 1, 2024. CMS source ↗