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ICD-10 Coding for Right ICA Stenosis(I65.21, I63.23, I63.231)

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Learn about the ICD-10 coding for right ICA stenosis, including documentation requirements, common pitfalls, and billing considerations.

Also known as:
Right Internal Carotid Artery StenosisRight Carotid Artery Narrowing
Related ICD-10 Code Ranges

Complete code families applicable to Right ICA Stenosis

I00-I99Primary Range

Diseases of the circulatory system

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Primary ICD-10-CM Codes
Occlusion and stenosis of right carotid artery
I65.21Billable
Differential Codes

Alternative codes to consider when ruling out similar conditions

Cerebral infarction due to right carotid stenosisI63.231

Use when infarction is documented as caused by stenosis.

Documentation & Coding Risks

Avoid these common issues when documenting Right ICA Stenosis.

Failing to document laterality

Impact

Clinical: Ambiguity in treatment planning., Regulatory: Potential non-compliance with coding standards., Financial: Reduced reimbursement due to unspecified codes.

Mitigation

Always document the affected side, Use templates that prompt laterality

Using I65.21 for stenosis with infarction

Impact

Reimbursement: Incorrect coding may lead to claim denials., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data representation.

Mitigation

Use I63.23- series for infarction due to stenosis.

Documentation of Imaging

Impact

Lack of imaging details can lead to audit flags.

Mitigation

Ensure all imaging reports are attached to patient records.

Frequently Asked Questions

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with I65.21.