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

Complete ICD-10-CM coding and documentation guide for Aortic Insufficiency. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Aortic RegurgitationAortic Valve Insufficiency

Related ICD-10 Code Ranges

Complete code families applicable to Aortic Insufficiency

I35-I38Primary Range

Nonrheumatic aortic valve disorders

Covers nonrheumatic aortic insufficiency, the primary focus for coding this condition.

Rheumatic heart diseases

Includes rheumatic aortic insufficiency, requiring specific documentation of rheumatic etiology.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
I35.1Nonrheumatic aortic (valve) insufficiencyUse when aortic insufficiency is confirmed as nonrheumatic and documented with echocardiographic evidence.
  • Echocardiogram showing regurgitant volume or vena contracta
  • Clinical symptoms such as dyspnea or heart failure
I06.1Rheumatic aortic insufficiencyUse when aortic insufficiency is confirmed as rheumatic with documented history or clinical evidence.
  • History of rheumatic fever
  • Echocardiogram findings consistent with rheumatic changes

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for aortic insufficiency

Essential facts and insights about Aortic Insufficiency

The ICD-10 code for nonrheumatic aortic insufficiency is I35.1, while rheumatic aortic insufficiency is coded as I06.1.

Primary ICD-10-CM Codes for aortic insufficiency

Nonrheumatic aortic (valve) insufficiency
Billable Code

Decision Criteria

clinical Criteria

  • Echocardiogram confirms nonrheumatic aortic insufficiency

documentation Criteria

  • Nonrheumatic etiology explicitly stated

Applicable To

  • Nonrheumatic aortic regurgitation

Excludes

  • Rheumatic aortic insufficiency (I06.1)

Clinical Validation Requirements

  • Echocardiogram showing regurgitant volume or vena contracta
  • Clinical symptoms such as dyspnea or heart failure

Code-Specific Risks

  • Incorrectly coding as rheumatic without proper documentation

Coding Notes

  • Ensure documentation specifies nonrheumatic etiology and includes echocardiographic findings.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Heart failure

I50.-
Use if heart failure is present as a secondary condition.

Presence of prosthetic heart valve

Z95.0
Use if the patient has undergone aortic valve replacement.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Rheumatic aortic insufficiency

I06.1
Requires documentation of rheumatic fever history or rheumatic etiology.

Nonrheumatic aortic insufficiency

I35.1
Requires absence of rheumatic history or etiology.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Aortic Insufficiency to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code I35.1.

Impact

Clinical: Inadequate treatment planning due to lack of severity information., Regulatory: Non-compliance with coding guidelines requiring severity documentation., Financial: Potential loss of reimbursement for undercoded severity.

Mitigation Strategy

Ensure echocardiogram reports include severity metrics., Train providers on the importance of documenting severity.

Impact

Reimbursement: Incorrect coding can lead to improper DRG assignment and affect reimbursement., Compliance: May result in non-compliance with coding guidelines., Data Quality: Affects the accuracy of clinical data and patient records.

Mitigation Strategy

Query the provider for clarification on whether the condition is rheumatic or nonrheumatic.

Impact

Risk of audits due to unspecified etiology in aortic insufficiency cases.

Mitigation Strategy

Implement provider education on the importance of specifying etiology.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Aortic Insufficiency, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Aortic Insufficiency

Use these documentation templates to ensure complete and accurate documentation for Aortic Insufficiency. These templates include all required elements for proper coding and billing.

Nonrheumatic Aortic Insufficiency

Specialty: Cardiology

Required Elements

  • Patient symptoms
  • Echocardiogram findings
  • Etiology (nonrheumatic)
  • Severity of insufficiency

Example Documentation

Patient presents with dyspnea. Echocardiogram shows moderate nonrheumatic aortic insufficiency, vena contracta 0.5 cm.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Aortic regurgitation noted.
Good Documentation Example
Moderate nonrheumatic aortic insufficiency confirmed by echocardiogram, vena contracta 0.5 cm.
Explanation
The good example specifies the etiology and provides echocardiographic evidence.

Need help with ICD-10 coding for Aortic Insufficiency? Ask your questions below.

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