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ICD-10 Coding for Congestive Heart Failure with Preserved Ejection Fraction(I50.31, I50.32, I50.33)

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

Also known as:

CHFpEFHeart Failure with Preserved Ejection FractionDiastolic Heart Failurehfpef

Related ICD-10 Code Ranges

Complete code families applicable to Congestive Heart Failure with Preserved Ejection Fraction

I50.3-Primary Range

Diastolic (congestive) heart failure

Primary code range for documenting diastolic heart failure, including HFpEF.

Hypertensive heart disease with heart failure

Used when heart failure is due to hypertension, requiring sequencing before I50.3-.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
I50.31Acute diastolic (congestive) heart failureUse when acute symptoms of diastolic heart failure are present with EF >50%.
  • Ejection fraction >50%
  • Symptoms of acute heart failure such as pulmonary edema
I50.32Chronic diastolic heart failureUse for chronic diastolic heart failure with EF >50%.
  • Ejection fraction >50%
  • Chronic symptoms of heart failure such as fatigue, dyspnea
I50.33Acute on chronic diastolic heart failureUse for acute exacerbations on a background of chronic diastolic heart failure.
  • Ejection fraction >50%
  • Combination of acute and chronic heart failure symptoms

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 CHFpEF

Essential facts and insights about Congestive Heart Failure with Preserved Ejection Fraction

The ICD-10 code for CHFpEF is I50.3-, covering acute, chronic, and acute on chronic diastolic heart failure.

Primary ICD-10-CM Codes for chfpef

Acute diastolic (congestive) heart failure
Billable Code

Decision Criteria

clinical Criteria

  • Presence of acute heart failure symptoms with EF >50%

Applicable To

  • Acute heart failure with preserved ejection fraction

Excludes

  • Chronic diastolic heart failure (I50.32)

Clinical Validation Requirements

  • Ejection fraction >50%
  • Symptoms of acute heart failure such as pulmonary edema

Code-Specific Risks

  • Incorrectly coding as chronic if acute symptoms are present

Coding Notes

  • Ensure documentation specifies acute diastolic heart failure with EF >50%.

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 when heart failure is due to hypertension, sequenced before I50.3-.

Obesity

E66.9
Use when obesity is a contributing factor to heart failure.

Presence of prosthetic heart valve

Z95.2
Use when heart failure occurs post-valve replacement.

Differential Codes

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

Acute systolic (congestive) heart failure

I50.21
Use when EF <40% indicating systolic dysfunction.

Chronic systolic heart failure

I50.22
Use when EF <40% indicating systolic dysfunction.

Acute on chronic systolic heart failure

I50.23
Use when EF <40% indicating systolic dysfunction.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Congestive Heart Failure with Preserved Ejection Fraction to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code I50.31.

Impact

Clinical: May lead to misdiagnosis or inappropriate treatment., Regulatory: Non-compliance with coding standards requiring specificity., Financial: Potential for denied claims due to lack of specificity.

Mitigation Strategy

Always link diastolic dysfunction to heart failure in documentation.

Impact

Reimbursement: May lead to lower reimbursement due to unspecified code I50.9., Compliance: Non-compliance with coding guidelines for specificity., Data Quality: Reduces accuracy of clinical data and outcomes tracking.

Mitigation Strategy

Specify 'diastolic' or 'HFpEF' to avoid unspecified coding.

Impact

Risk of audits due to high use of unspecified codes like I50.9.

Mitigation Strategy

Ensure documentation specifies type and acuity of heart failure.

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

Documentation Templates for Congestive Heart Failure with Preserved Ejection Fraction

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

Acute on Chronic HFpEF with Hypertension

Specialty: Cardiology

Required Elements

  • EF percentage
  • Acuity (acute, chronic, acute on chronic)
  • Link to hypertension

Example Documentation

Patient presents with acute on chronic HFpEF, EF 55%, secondary to hypertension.

Examples: Poor vs. Good Documentation

Poor Documentation Example
CHF exacerbation
Good Documentation Example
Acute on chronic diastolic HF (HFpEF) with EF 58%, secondary to uncontrolled HTN
Explanation
The good example specifies type, acuity, EF, and cause, improving coding accuracy.

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