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ICD-10 Coding for Endocarditis of Aortic Valve(I33.0, I35.1, T82.6XXA)

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

Also known as:

Aortic Valve EndocarditisInfective Endocarditis of Aortic Valve

Related ICD-10 Code Ranges

Complete code families applicable to Endocarditis of Aortic Valve

I33-I39Primary Range

Endocarditis and Heart Valve Disorders

This range includes codes for endocarditis and related heart valve disorders, specifically addressing the aortic valve.

Bacterial and Viral Infectious Agents

These codes are used to specify the infectious organism causing the endocarditis.

Complications of Cardiac Valve Prosthesis

This range is relevant for coding complications related to prosthetic heart valves, including endocarditis.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
I33.0Acute and subacute infective endocarditisUse when acute or subacute infective endocarditis is diagnosed, particularly involving the aortic valve.
  • Positive blood cultures
  • Echocardiographic evidence of vegetation or abscess
I35.1Nonrheumatic aortic (valve) insufficiencyUse when aortic insufficiency is a result of endocarditis.
  • Echocardiographic evidence of aortic insufficiency
T82.6XXAMechanical complication of cardiac valve prosthesis, initial encounterUse when endocarditis involves a prosthetic valve.
  • Evidence of prosthetic valve dysfunction
  • Echocardiographic findings

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 valve endocarditis

Essential facts and insights about Endocarditis of Aortic Valve

The ICD-10 code for acute and subacute infective endocarditis of the aortic valve is I33.0, with additional codes for organism and valve disorders.

Primary ICD-10-CM Codes for endocarditis of aortic valve

Acute and subacute infective endocarditis
Billable Code

Decision Criteria

clinical Criteria

  • Presence of vegetation on echocardiogram and positive blood cultures

Applicable To

  • Acute infective endocarditis
  • Subacute infective endocarditis

Excludes

  • Chronic rheumatic endocarditis (I09.1)

Clinical Validation Requirements

  • Positive blood cultures
  • Echocardiographic evidence of vegetation or abscess

Code-Specific Risks

  • Misclassification if valve involvement is not specified
  • Omission of organism code

Coding Notes

  • Ensure documentation specifies the aortic valve and the causative organism.

Ancillary Codes

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

Staphylococcus aureus as the cause of diseases classified elsewhere

B95.2
Use to specify the organism causing the endocarditis.

Differential Codes

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

Endocarditis, valve unspecified

I38
Use I38 only if the specific valve involved is not documented.

Rheumatic aortic insufficiency

I06.1
Use I06.1 if the insufficiency is due to rheumatic fever.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Endocarditis of Aortic Valve to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code I33.0.

Impact

Clinical: May lead to inappropriate treatment, Regulatory: Non-compliance with coding standards, Financial: Potential for reduced reimbursement

Mitigation Strategy

Always specify valve in clinical documentation, Use echocardiogram reports to confirm

Impact

Reimbursement: Potential underpayment due to unspecified coding, Compliance: Non-compliance with specificity requirements, Data Quality: Reduced accuracy in clinical data

Mitigation Strategy

Ensure the specific valve involved is documented and coded appropriately.

Impact

Reimbursement: May affect DRG assignment and reimbursement, Compliance: Failure to meet coding guidelines, Data Quality: Incomplete clinical data representation

Mitigation Strategy

Always include the organism code (B95-B97) when cultures identify a causative agent.

Impact

Audits may focus on whether the specific valve involved in endocarditis is documented.

Mitigation Strategy

Ensure all clinical documentation specifies the valve involved.

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 Endocarditis of Aortic Valve, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Endocarditis of Aortic Valve

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

Acute Aortic Valve Endocarditis

Specialty: Cardiology

Required Elements

  • Chief complaint
  • Physical exam findings
  • Laboratory results
  • Imaging studies
  • Final assessment

Example Documentation

**CC**: Fever, chills, dyspnea. **PE**: New aortic regurgitation murmur, splinter hemorrhages. **Labs**: Blood cultures x2 positive for *Staphylococcus aureus*. **Imaging**: TEE shows aortic valve vegetation (1.3 cm) with perivalvular abscess. **Assessment**: Acute infective endocarditis of aortic valve (I33.0) due to *Staphylococcus aureus* (B95.2), complicated by paravalvular abscess.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Endocarditis with valve involvement.
Good Documentation Example
Acute infective endocarditis of native aortic valve with 1.2 cm mobile vegetation on TEE; blood cultures positive for *Enterococcus faecalis*.
Explanation
The good example specifies the valve, organism, and provides echocardiographic evidence.

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