What is the ICD-10 code for nonrheumatic aortic regurgitation?

The ICD-10 code for nonrheumatic aortic regurgitation is I35.1. It is used when the condition is confirmed to be nonrheumatic.

How do you code aortic regurgitation with a bicuspid valve?

For aortic regurgitation with a bicuspid valve, use I35.1 for the regurgitation and Q23.83 for the bicuspid valve.

ICD-10 Coding for Aortic Regurgitation(I35.1, I06.1, I06.9)

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Learn about the ICD-10 coding for aortic regurgitation, including nonrheumatic and rheumatic causes, documentation requirements, and common pitfalls.

Also known as:

Aortic Insufficiency

Related ICD-10 Code Ranges

Complete code families applicable to Aortic Regurgitation

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

Code	Description	When to Use	Key Documentation
I35.1	Nonrheumatic aortic (valve) insufficiency	Use when nonrheumatic aortic regurgitation is documented.	Echocardiogram showing regurgitant volume ≥60 mL/beat Effective regurgitant orifice (ERO) ≥0.30 cm²
I06.1	Rheumatic aortic insufficiency	Use when rheumatic etiology is documented.	History of rheumatic fever or rheumatic heart disease

Primary ICD-10-CM Codes

Nonrheumatic aortic (valve) insufficiency

I35.1Billable

Differential Codes

Alternative codes to consider when ruling out similar conditions

Rheumatic aortic insufficiencyI06.1

Use when rheumatic etiology is confirmed.

Nonrheumatic aortic stenosis with insufficiencyI35.2

Use when both stenosis and insufficiency are documented.

Nonrheumatic aortic insufficiencyI35.1

Use when nonrheumatic etiology is confirmed.

Documentation & Coding Risks

Avoid these common issues when documenting Aortic Regurgitation.

Failing to document severity of AR.

Impact

Clinical: Impacts treatment decisions., Regulatory: Non-compliance with coding standards., Financial: Potential for incorrect reimbursement.

Mitigation

Ensure echocardiogram findings are included in documentation.

Coding nonrheumatic AR as rheumatic due to lack of documentation.

Impact

Reimbursement: Incorrect DRG assignment may affect reimbursement., Compliance: Non-compliance with coding guidelines., Data Quality: Impacts accuracy of clinical data.

Mitigation

Ensure documentation specifies nonrheumatic etiology.

Etiology Documentation

Impact

Failure to document etiology can lead to incorrect coding.

Mitigation

Educate providers on the importance of documenting etiology.

Frequently Asked Questions

Documentation requirements, coding pitfalls and FAQs for conditions coded with I35.1.

Primary Code

I35.1

Nonrheumatic aortic (valve) insufficiency

Quick Navigation

ICD-10 codes6

Coding risks3

FAQs2

ICD-10 Coding for Aortic Regurgitation(I35.1, I06.1, I06.9)

Documentation & Coding Risks

Frequently Asked Questions

What is the ICD-10 code for nonrheumatic aortic regurgitation?

How do you code aortic regurgitation with a bicuspid valve?

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