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

ICD-10 Coding for Carotid Artery Disease

I65.21
I65.22

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

Also Known as:
Carotid Stenosis
Carotid Occlusion
Carotid Atherosclerosis
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Key Information: ICD-10 Coding for Carotid Artery Disease

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

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

clinical:
  • • Documented stenosis ≥50% on imaging
documentation:
  • • Specify laterality and percentage of stenosis

Applicable To

  • • Right carotid artery stenosis
  • • Right carotid artery occlusion

Important Notes

  • • Ensure laterality is documented and imaging supports the diagnosis.

Occlusion and stenosis of left carotid artery

Billable Code
I65.22
Billable

Diagnostic Criteria

clinical:
  • • Documented stenosis ≥50% on imaging
documentation:
  • • Specify laterality and percentage of stenosis

Applicable To

  • • Left carotid artery stenosis
  • • Left carotid artery occlusion

Important Notes

  • • Ensure laterality is documented and imaging supports the diagnosis.
Ancillary Codes

Additional codes that may be used with this diagnosis

Z86.73

Personal history of transient ischemic attack (TIA)

Use to indicate a history of TIA in the patient's medical record.

Z79.82

Long-term use of anticoagulants

Use to indicate ongoing anticoagulant therapy.

Frequently Asked Questions

What is the ICD-10 code for carotid artery disease?

The ICD-10 code for carotid artery disease varies based on specifics like laterality and stenosis, primarily using I65.2- codes.

How do you code carotid stenosis?

Carotid stenosis is coded using I65.21 for the right side and I65.22 for the left, based on documented stenosis and laterality.

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