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ICD-10 Coding for Endocarditis(I33.0, I38)

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

Also known as:

Infective EndocarditisBacterial EndocarditisSubacute Bacterial Endocarditis

Related ICD-10 Code Ranges

Complete code families applicable to Endocarditis

I33-I39Primary Range

Diseases of the endocardium

This range includes codes for various forms of endocarditis, including acute, subacute, and those associated with systemic diseases.

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 there is confirmed acute or subacute bacterial infection of the heart valves.
  • Positive blood cultures
  • Echocardiogram showing vegetation
I38Endocarditis, valve unspecifiedUse when endocarditis is diagnosed but the specific valve is not identified.
  • Endocarditis diagnosis without specific valve involvement.

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 endocarditis

Essential facts and insights about Endocarditis

The ICD-10 code for acute and subacute infective endocarditis is I33.0.

Primary ICD-10-CM Codes for endocarditis

Acute and subacute infective endocarditis
Billable Code

Decision Criteria

clinical Criteria

  • Presence of vegetation on echocardiogram and positive blood cultures.

Applicable To

  • Acute bacterial endocarditis
  • Subacute bacterial endocarditis

Excludes

  • Endocarditis in diseases classified elsewhere (I33.1)

Clinical Validation Requirements

  • Positive blood cultures
  • Echocardiogram showing vegetation

Code-Specific Risks

  • Misclassification if valve involvement is not specified.

Coding Notes

  • Ensure documentation specifies the valve involved 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

B95.61
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 when the specific valve involved cannot be determined.

Acute and subacute infective endocarditis

I33.0
Use I33.0 when the valve and organism are specified.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Endocarditis 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 affect treatment decisions., Regulatory: Non-compliance with coding standards., Financial: Potential for reduced reimbursement.

Mitigation Strategy

Ensure blood culture results are documented in the medical record.

Impact

Reimbursement: May lead to lower reimbursement if specific valve is not coded., Compliance: Non-compliance with coding guidelines., Data Quality: Decreased accuracy in clinical data.

Mitigation Strategy

Query the provider for specific valve involvement to use I33.0.

Impact

Risk of audits if valve involvement is not specified in endocarditis cases.

Mitigation Strategy

Ensure echocardiogram reports specify valve involvement.

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, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Endocarditis

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

Infective endocarditis with mitral valve involvement

Specialty: Cardiology

Required Elements

  • Valve involvement
  • Organism identification
  • Complications

Example Documentation

Assessment: Infective endocarditis of the mitral valve with MRSA. Plan: IV antibiotics for 6 weeks.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient has endocarditis.
Good Documentation Example
TEE shows 1.2cm vegetation on mitral valve; blood cultures positive for MRSA.
Explanation
The good example provides specific valve involvement and organism identification.

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

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