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ICD-10 Coding for Combined Systolic and Diastolic Heart Failure(I5041, I5042, I5043)

Complete ICD-10-CM coding and documentation guide for Combined Systolic and Diastolic Heart Failure. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Mixed Heart FailureHeart Failure with Reduced and Preserved Ejection Fraction

Related ICD-10 Code Ranges

Complete code families applicable to Combined Systolic and Diastolic Heart Failure

I50.4-I50.43Primary Range

Heart failure with both systolic and diastolic dysfunction

This range includes codes specifically for combined systolic and diastolic heart failure, addressing different acuity levels.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
I5041Acute combined systolic and diastolic heart failureUse when both systolic and diastolic dysfunction are present acutely.
  • Echocardiogram showing reduced ejection fraction and elevated filling pressures
  • Elevated BNP levels
I5042Chronic combined systolic and diastolic heart failureUse for long-standing heart failure with both dysfunctions.
  • Echocardiogram showing chronic reduced ejection fraction and elevated filling pressures
  • Stable BNP levels
I5043Acute on chronic combined systolic and diastolic heart failureUse when acute exacerbation occurs on a chronic baseline of both dysfunctions.
  • Echocardiogram showing acute exacerbation with both dysfunctions
  • Elevated BNP levels during exacerbation

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 combined systolic and diastolic heart failure

Essential facts and insights about Combined Systolic and Diastolic Heart Failure

The ICD-10 codes for combined systolic and diastolic heart failure are I5041 for acute, I5042 for chronic, and I5043 for acute on chronic cases.

Primary ICD-10-CM Codes for combined systolic and diastolic heart failure

Acute combined systolic and diastolic heart failure
Billable Code

Decision Criteria

clinical Criteria

  • Presence of both systolic and diastolic dysfunction on echocardiogram

documentation Criteria

  • Explicit mention of 'combined systolic and diastolic heart failure'

Applicable To

  • Acute heart failure with both systolic and diastolic dysfunction

Excludes

Clinical Validation Requirements

  • Echocardiogram showing reduced ejection fraction and elevated filling pressures
  • Elevated BNP levels

Code-Specific Risks

  • Misclassification if only one type of dysfunction is documented

Coding Notes

  • Ensure documentation specifies both types of dysfunction.

Ancillary Codes

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

Hypertensive heart disease with heart failure

I11.0
Use if hypertension is a contributing factor.

Hypertensive heart and chronic kidney disease with heart failure

I13.2
Use if CKD is present with hypertension.

Right heart failure due to left heart failure

I50.814
Use if biventricular involvement is documented.

Differential Codes

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

Isolated systolic heart failure

I50.20
Use when only systolic dysfunction is documented.

Isolated diastolic heart failure

I50.30
Use when only diastolic dysfunction is documented.

Chronic systolic heart failure

I50.22
Use when only systolic dysfunction is chronic.

Chronic diastolic heart failure

I50.32
Use when only diastolic dysfunction is chronic.

Acute on chronic systolic heart failure

I50.23
Use when only systolic dysfunction is acute on chronic.

Acute on chronic diastolic heart failure

I50.33
Use when only diastolic dysfunction is acute on chronic.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Combined Systolic and Diastolic Heart Failure to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code I5041.

Impact

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

Mitigation Strategy

Use documentation templates, Regular training on heart failure documentation

Impact

Reimbursement: May lead to lower reimbursement rates, Compliance: Non-compliance with coding guidelines, Data Quality: Decreases accuracy of clinical data

Mitigation Strategy

Always use specific codes for combined systolic and diastolic heart failure when documentation supports it.

Impact

Reimbursement: Incorrect DRG assignment, Compliance: Potential audit risk, Data Quality: Misrepresentation of patient condition

Mitigation Strategy

Query for clarification if documentation is unclear about diastolic dysfunction.

Impact

High risk of audit if unspecified codes are used when specifics are documented

Mitigation Strategy

Always use the most specific code available based on documentation.

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 Combined Systolic and Diastolic Heart Failure, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Combined Systolic and Diastolic Heart Failure

Use these documentation templates to ensure complete and accurate documentation for Combined Systolic and Diastolic Heart Failure. These templates include all required elements for proper coding and billing.

Acute exacerbation of chronic heart failure

Specialty: Cardiology

Required Elements

  • Patient symptoms
  • Echocardiogram results
  • BNP levels
  • Medication compliance

Example Documentation

Patient presents with worsening dyspnea and orthopnea. ECHO shows EF 40%, elevated filling pressures. BNP 950 pg/mL. Assessment: Acute on chronic combined systolic and diastolic heart failure.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient has heart failure.
Good Documentation Example
Patient has acute on chronic combined systolic and diastolic heart failure with EF 40% and elevated BNP.
Explanation
The good example provides specific details on the type and acuity of heart failure, which is necessary for accurate coding.

Need help with ICD-10 coding for Combined Systolic and Diastolic Heart Failure? Ask your questions below.

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