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Home/Diagnosis/ICD-10 Coding for Stenosis of Carotid Artery

ICD-10 Coding for Stenosis of Carotid Artery

I65.21
I65.22
I65.23

Complete ICD-10-CM coding and documentation guide for icd-10 coding for stenosis of carotid artery includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Carotid Artery Narrowing
Carotid Stenosis
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Key Information: ICD-10 Coding for Stenosis of Carotid Artery

Essential facts and insights about ICD-10 Coding for Stenosis of Carotid Artery

Use ICD-10 code I65.21 for occlusion and stenosis of right carotid artery, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Occlusion and stenosis of right carotid artery

Billable Code
I65.21
Billable

Diagnostic Criteria

  • • Presence of ≥50% stenosis in the right carotid artery confirmed by imaging.

Applicable To

  • • Nontraumatic dissection of right carotid artery

Important Notes

  • • Ensure laterality is clearly documented to avoid unspecified coding.

Occlusion and stenosis of left carotid artery

Billable Code
I65.22
Billable

Diagnostic Criteria

  • • Imaging showing ≥50% stenosis of the left carotid artery

Applicable To

  • • Nontraumatic dissection of left carotid artery

Important Notes

  • • Ensure laterality is clearly documented to avoid unspecified coding.

Occlusion and stenosis of bilateral carotid arteries

Billable Code
I65.23
Billable

Diagnostic Criteria

  • • Imaging showing ≥50% stenosis in both carotid arteries

Applicable To

  • • Nontraumatic dissection of bilateral carotid arteries

Important Notes

  • • Ensure bilateral involvement is clearly documented to avoid unspecified coding.

Occlusion and stenosis of unspecified carotid artery

Billable Code
I65.29
Billable

Diagnostic Criteria

  • • Imaging showing stenosis of a carotid artery without specified laterality

Important Notes

  • • Document laterality to avoid using unspecified codes.
Ancillary Codes

Additional codes that may be used with this diagnosis

Z86.73

Personal history of transient ischemic attack (TIA)

Use when patient has a history of TIA.

Frequently Asked Questions

What is the ICD-10 code for stenosis of the carotid artery?

The ICD-10 codes for stenosis of the carotid artery are I65.21 for right, I65.22 for left, and I65.23 for bilateral stenosis.

How is carotid artery stenosis documented?

Carotid artery stenosis documentation should include laterality, stenosis percentage, and supporting imaging results.

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