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

ICD-10 Coding for Carotid Artery Occlusion

I65.21
I65.22
I65.23

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

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

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

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

  • • Imaging showing occlusion or stenosis
  • • Clinical symptoms consistent with carotid artery disease

Applicable To

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

Important Notes

  • • Ensure laterality is documented clearly to avoid miscoding.

Occlusion and stenosis of left carotid artery

Billable Code
I65.22
Billable

Diagnostic Criteria

  • • Imaging showing occlusion or stenosis
  • • Clinical symptoms consistent with carotid artery disease

Applicable To

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

Important Notes

  • • Ensure laterality is documented clearly to avoid miscoding.

Occlusion and stenosis of bilateral carotid arteries

Billable Code
I65.23
Billable

Diagnostic Criteria

  • • Imaging showing occlusion or stenosis
  • • Clinical symptoms consistent with carotid artery disease

Applicable To

  • • Bilateral carotid artery occlusion
  • • Bilateral carotid artery stenosis

Important Notes

  • • Ensure laterality is documented clearly to avoid miscoding.

Occlusion and stenosis of unspecified carotid artery

Billable Code
I65.29
Billable

Diagnostic Criteria

  • • Imaging showing occlusion or stenosis
  • • Clinical symptoms consistent with carotid artery disease

Applicable To

  • • Unspecified carotid artery occlusion
  • • Unspecified carotid artery stenosis

Important Notes

  • • Encourage documentation of laterality to avoid using unspecified codes.

Cerebral infarction due to carotid artery occlusion

Non-Billable
I63.2-
Non-Billable

Diagnostic Criteria

  • • Imaging confirming cerebral infarction
  • • Clinical symptoms of stroke

Applicable To

  • • Cerebral infarction due to carotid artery occlusion

Important Notes

  • • Ensure proper linkage between infarction and occlusion codes.
Ancillary Codes

Additional codes that may be used with this diagnosis

Z86.73

Personal history of transient ischemic attack (TIA), and cerebral infarction without residual deficits

Use to indicate history of TIA or stroke without current deficits.

Frequently Asked Questions

How is carotid artery occlusion coded in ICD-10?

Carotid artery occlusion is coded using I65.21-I65.29, depending on laterality and presence of cerebral infarction. Ensure documentation specifies these details for accurate coding.

What is the ICD-10 code for bilateral carotid artery occlusion?

The ICD-10 code for bilateral carotid artery occlusion is I65.23. Ensure documentation specifies bilateral involvement for accurate coding.

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