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ICD-10 Coding for Nonrheumatic Aortic Stenosis(I35.0, I06.0, I06.2)

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Comprehensive guide to coding nonrheumatic aortic stenosis using ICD-10, including documentation requirements, common pitfalls, and billing considerations.

Also known as:
Degenerative Aortic StenosisCalcific Aortic Stenosis
Related ICD-10 Code Ranges

Complete code families applicable to Nonrheumatic Aortic Stenosis

I00-I99Primary Range

Diseases of the circulatory system

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Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescription
I35.0Nonrheumatic aortic (valve) stenosis
I35.2Nonrheumatic aortic (valve) stenosis with insufficiency
Primary ICD-10-CM Codes
Nonrheumatic aortic (valve) stenosis
I35.0Billable
Differential Codes

Alternative codes to consider when ruling out similar conditions

Rheumatic aortic stenosisI06.0
Rheumatic aortic stenosis with insufficiencyI06.2

Documentation & Coding Risks

Avoid these common issues when documenting Nonrheumatic Aortic Stenosis.

Failing to document valve involvement

Impact

Clinical: Inaccurate treatment planning, Regulatory: Non-compliance with coding standards, Financial: Potential for denied claims

Mitigation

Ensure comprehensive echocardiographic reports, Include all relevant valve details in documentation

Coding nonrheumatic aortic stenosis without specifying etiology

Impact

Reimbursement: Incorrect coding may lead to denied claims or incorrect DRG assignment., Compliance: Failure to comply with coding guidelines can result in audits., Data Quality: Inaccurate data affects clinical outcomes and research.

Mitigation

Ensure documentation explicitly states 'nonrheumatic' or query the provider.

Omitting congenital bicuspid valve code when present

Impact

Reimbursement: Missing codes can affect risk adjustment and reimbursement., Compliance: Non-compliance with coding standards., Data Quality: Incomplete data impacts patient records and treatment plans.

Mitigation

Always code Q23.81 when a bicuspid valve is documented.

Etiology Specification

Impact

Risk of audits if etiology is not clearly documented.

Mitigation

Implement provider education on documentation requirements.

Frequently Asked Questions

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with I35.0.