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

ICD-10 Coding for Carotid Artery Stenosis

I65.21
I65.22
I65.23

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

Also Known as:
Carotid Stenosis
Carotid Artery Narrowing
narrowing carotid artery
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Key Information: ICD-10 Coding for Carotid Artery Stenosis

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

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

  • • Right carotid artery stenosis confirmed by imaging

Applicable To

  • • Nontraumatic dissection causing stenosis

Important Notes

  • • Ensure laterality is documented.

Occlusion and stenosis of left carotid artery

Billable Code
I65.22
Billable

Diagnostic Criteria

  • • Imaging showing stenosis percentage
  • • Laterality specified

Applicable To

  • • Nontraumatic dissection causing stenosis

Important Notes

  • • Ensure laterality is documented.

Occlusion and stenosis of bilateral carotid arteries

Billable Code
I65.23
Billable

Diagnostic Criteria

  • • Imaging showing stenosis percentage on both sides

Applicable To

  • • Bilateral carotid stenosis

Important Notes

  • • Document bilateral stenosis clearly.

Occlusion and stenosis of unspecified carotid artery

Billable Code
I65.29
Billable

Diagnostic Criteria

  • • Imaging available but laterality not specified

Applicable To

  • • Unspecified laterality

Important Notes

  • • Query for laterality if possible.

Cerebral infarction due to thrombosis of precerebral arteries

Non-Billable
I63.0
Non-Billable

Diagnostic Criteria

  • • Documentation of cerebral infarction linked to carotid stenosis

Applicable To

  • • Infarction due to carotid stenosis

Important Notes

  • • Ensure clear linkage between stenosis and infarction.
Frequently Asked Questions

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

The ICD-10 code for right carotid artery stenosis is I65.21, used when stenosis is confirmed on the right side.

How do you code bilateral carotid artery stenosis?

Bilateral carotid artery stenosis is coded as I65.23, indicating stenosis on both sides.

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