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Home/Diagnosis/ICD-10 Coding for Atherosclerosis of the Carotid Artery

ICD-10 Coding for Atherosclerosis of the Carotid Artery

I65.22
I70.90

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

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

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

Use ICD-10 code I65.22 for occlusion and stenosis of left carotid artery, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Occlusion and stenosis of left carotid artery

Billable Code
I65.22
Billable

Diagnostic Criteria

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

Applicable To

  • • Atherosclerotic stenosis of left carotid artery

Important Notes

  • • Ensure laterality is documented to avoid using unspecified codes.

Generalized atherosclerosis

Billable Code
I70.90
Billable

Diagnostic Criteria

clinical:
  • • Imaging showing diffuse plaque without significant stenosis

Applicable To

  • • Diffuse atherosclerosis without specific stenosis

Important Notes

  • • Ensure that specific stenosis is not documented before using this code.
Ancillary Codes

Additional codes that may be used with this diagnosis

E11.51

Type 2 diabetes mellitus with diabetic peripheral angiopathy

Use when diabetes is a contributing factor to the atherosclerosis.

Frequently Asked Questions

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

The ICD-10 code for atherosclerosis of the carotid artery with stenosis is I65.22 for the left side and I65.23 for bilateral involvement.

How is carotid artery stenosis documented?

Carotid artery stenosis should be documented with specific laterality, percentage of stenosis, and imaging confirmation.

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