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ICD-10 Coding for Moderate Aortic Stenosis(I35.0, I06.0, I35.9)

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Learn about the ICD-10 coding for moderate aortic stenosis, including documentation requirements and clinical validation criteria.

Also known as:
Nonrheumatic Aortic StenosisAortic Valve Stenosis
Related ICD-10 Code Ranges

Complete code families applicable to Moderate Aortic Stenosis

I00-I99Primary Range

Diseases of the circulatory system

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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

Use only if rheumatic etiology is explicitly documented.

Documentation & Coding Risks

Avoid these common issues when documenting Moderate Aortic Stenosis.

Failure to document echocardiographic values.

Impact

Clinical: May lead to incorrect severity classification., Regulatory: Non-compliance with documentation standards., Financial: Potential for reduced reimbursement.

Mitigation

Ensure echocardiogram results are included in the patient's record.

Using I35.9 instead of I35.0 when severity is documented.

Impact

Reimbursement: Incorrect coding may affect DRG assignment and reimbursement., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data representation.

Mitigation

Ensure documentation includes specific echocardiographic values for moderate stenosis.

Documentation of Severity

Impact

Inadequate documentation of echocardiographic criteria for moderate AS.

Mitigation

Implement checklist for required echocardiographic values in documentation.

Frequently Asked Questions

Related condition guides

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