ICD10BillableValid for clinical use
ICD-10 Code I65.01: Occlusion and stenosis of right vertebral artery
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
What is this code?
ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the circulatory system (I00-I99).
When is it used?
- May be used when a clinician documents occlusion and stenosis of right vertebral artery in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code can be used as a clinically usable diagnosis entry in standardized coding workflows.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
Code hierarchy
chapter
9Diseases of the circulatory system (I00-I99)
block
I60-I69Cerebrovascular diseases
category
I65Occlusion and stenosis of precerebral arteries, not resulting in cerebral infarction
category
I65.0Occlusion and stenosis of vertebral artery
currentI65.0
Where you may see this code
You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.
Related specialists
CardiologistGeneral Physician
Related codes
Sibling codes
Coverage-related procedures and services
CPT 93886high
TRANSCRANIAL DOPPLER STUDY OF THE INTRACRANIAL ARTERIES; COMPLETE STUDY
Source: CMS coverage guidance
CPT 93892high
TRANSCRANIAL DOPPLER STUDY OF THE INTRACRANIAL ARTERIES; EMBOLI DETECTION WITHOUT INTRAVENOUS MICROBUBBLE INJECTION
Source: CMS coverage guidance
CPT 93888high
TRANSCRANIAL DOPPLER STUDY OF THE INTRACRANIAL ARTERIES; LIMITED STUDY
Source: CMS coverage guidance
CPT 93893high
TRANSCRANIAL DOPPLER STUDY OF THE INTRACRANIAL ARTERIES; VENOUS-ARTERIAL SHUNT DETECTION WITH INTRAVENOUS MICROBUBBLE INJECTION
Source: CMS coverage guidance
CPT 93880high
DUPLEX SCAN OF EXTRACRANIAL ARTERIES; COMPLETE BILATERAL STUDY
Source: CMS coverage guidance
CPT 93882high
DUPLEX SCAN OF EXTRACRANIAL ARTERIES; UNILATERAL OR LIMITED STUDY
Source: CMS coverage guidance
Coding guidelines
Common synonyms
Occlusion and stenosis of right vertebral artery
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.