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ICD-10 Coding for Heart Failure with Improved Ejection Fraction(I50.32)

Complete ICD-10-CM coding and documentation guide for Heart Failure with Improved Ejection Fraction. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

HFimpEFheart failure with recovered ejection fraction

Related ICD-10 Code Ranges

Complete code families applicable to Heart Failure with Improved Ejection Fraction

I50.3Primary Range

Chronic diastolic (congestive) heart failure

Used for coding HFimpEF when LVEF improves to >40%.

Chronic systolic heart failure

Used if LVEF remains ≤40% despite improvement.

Key Information: ICD-10 code for HFimpEF

Essential facts and insights about Heart Failure with Improved Ejection Fraction

The ICD-10 code for HFimpEF is I50.32, used when LVEF improves to >40%.

Primary ICD-10-CM Code for hfimpef

Chronic diastolic (congestive) heart failure
Billable Code

Decision Criteria

clinical Criteria

  • LVEF improves to >40% with ≥10% increase.

documentation Criteria

  • Explicit linkage of improved EF to heart failure type.

Applicable To

  • Heart failure with improved ejection fraction

Excludes

Clinical Validation Requirements

  • Baseline LVEF ≤40%
  • Current LVEF >40% with ≥10% absolute increase
  • Symptom improvement documented

Code-Specific Risks

  • Incorrectly coding as unspecified heart failure (I50.9)

Coding Notes

  • Ensure documentation specifies 'chronic diastolic heart failure' if LVEF >40%.

Ancillary Codes

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

Long-term anticoagulant use

Z79.01
Use if patient is on anticoagulants for comorbid atrial fibrillation.

Differential Codes

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

Chronic systolic heart failure

I50.22
Use if LVEF remains ≤40% despite improvement.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Heart Failure with Improved Ejection Fraction to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code I50.32.

Impact

Clinical: Leads to incorrect treatment plans., Regulatory: Non-compliance with coding guidelines., Financial: Potential for reduced reimbursement.

Mitigation Strategy

Educate providers on documentation requirements., Implement EHR prompts for LVEF values.

Impact

Reimbursement: May lead to lower DRG assignment and reimbursement., Compliance: Inaccurate coding can lead to compliance issues., Data Quality: Affects quality of healthcare data and reporting.

Mitigation Strategy

Query for baseline and current LVEF values to assign specific codes.

Impact

Lack of specificity in documenting HFimpEF can lead to audit issues.

Mitigation Strategy

Ensure detailed documentation of LVEF values and heart failure type.

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 Heart Failure with Improved Ejection Fraction, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Heart Failure with Improved Ejection Fraction

Use these documentation templates to ensure complete and accurate documentation for Heart Failure with Improved Ejection Fraction. These templates include all required elements for proper coding and billing.

Cardiology Progress Note

Specialty: Cardiology

Required Elements

  • Baseline LVEF
  • Current LVEF
  • Symptom correlation
  • Treatment plan

Example Documentation

Assessment: HFimpEF (LVEF improved from 30% on 2023 to 45% on 2025). Chronic diastolic HF secondary to ischemic cardiomyopathy. Plan: Continue sacubitril/valsartan.

Examples: Poor vs. Good Documentation

Poor Documentation Example
HF improved, stable.
Good Documentation Example
HFimpEF: LVEF increased from 28% (01/2024) to 42% (03/2025) on sacubitril/valsartan.
Explanation
The good example provides specific LVEF values and treatment details, ensuring accurate coding.

Need help with ICD-10 coding for Heart Failure with Improved Ejection Fraction? Ask your questions below.

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