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v1.0.0
ICD-10 Guide
DiagnosesAcute Hfpef

Acute Hfpef

ICD-10 Coding for Acute HFpEF(I50.31)

PRIMARY SPECIALTYCardiology
COMPLEXITYHigh
LAST UPDATED09/15/2025
Sam Tuffun, PT, DPT
Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Acute Hfpef?
Essential facts and insights about Acute HFpEF

Key Clinical Considerations:

  • Presence of acute symptoms such as dyspnea, fatigue, and edema.
  • Elevated levels of natriuretic peptides (BNP or NT-proBNP) indicating heart failure.
  • Physical examination findings including elevated jugular venous pressure, pulmonary crackles, and peripheral edema.
  • Imaging findings such as echocardiogram showing preserved ejection fraction with signs of heart failure.
  • Severity criteria include New York Heart Association (NYHA) functional classification indicating limitations in physical activity.

Clinical Information

Clinical Criteria & Documentation Requirements

  • Complete medical history including onset and duration of symptoms.
  • Specific terminology such as 'acute heart failure with preserved ejection fraction' must be documented.
  • Examples include documenting the patient's functional status and response to treatment.
  • Medical necessity must be established through documentation of symptoms and clinical findings.
  • Quality measures may include documentation of patient education and follow-up plans.

Coding Guidelines

Usage Guidelines & Examples

  • Use this diagnosis code when a patient presents with acute heart failure symptoms and preserved ejection fraction.
  • Do NOT use this code for chronic heart failure or acute heart failure with reduced ejection fraction.
  • Related codes include I50.30 (Acute heart failure, unspecified) and I50.32 (Acute on chronic heart failure, preserved ejection fraction).
  • Common errors include misclassifying the type of heart failure; ensure ejection fraction is documented.
  • In complex cases, consider the patient's overall clinical picture and consult guidelines for accurate code selection.

Code Exclusions

Important Exclusions

  • Excludes chronic heart failure (I50.9) and acute heart failure with reduced ejection fraction (I50.32).
  • Alternative codes for excluded conditions include I50.20 (Chronic heart failure, unspecified).
  • Conditions are excluded due to differing pathophysiology and treatment approaches.
  • Common mistakes include coding acute HFpEF when the patient has chronic heart failure; verify ejection fraction.
  • Related but distinct conditions include pulmonary hypertension and valvular heart disease.

Related ICD-10 Codes

Primary Codes
I50.31
Acute heart failure with preserved ejection fraction
I50.30
Acute heart failure, unspecified
Ancillary Codes
E87.70
I11.0
Differential Codes
I50.32
I50.9

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Cardiology

Specialty Applications

  • Applies to patients with acute heart failure symptoms and preserved ejection fraction.
  • Patient populations include adults, particularly those over 65 years or with comorbidities.
  • Clinical settings include inpatient hospital admissions and emergency department visits.
  • Specialty-specific applications primarily in cardiology and internal medicine.
  • Treatment contexts include acute management in hospital settings and follow-up care.

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

  • Comprehensive clinical documentation
  • Accurate code selection based on clinical criteria
  • Proper exclusion considerations
  • Specialty-specific coding guidelines

Documentation

Documentation Templates

Template 1

Template: 'Patient diagnosed with acute HFpEF based on clinical findings of dyspnea and elevated BNP levels.'

Template 2

Template: 'Clinical presentation consistent with acute heart failure including symptoms of fatigue and edema.'

Template 3

Template: 'Diagnostic criteria for acute HFpEF met as evidenced by echocardiogram showing preserved ejection fraction.'

Template 4

Template: 'Treatment plan initiated for acute HFpEF with diuretics and patient education on heart failure management.'

Template 5

Template: 'Follow-up care for acute HFpEF including monitoring of weight and symptoms.'

Billing Information

Billing Considerations

  • Ensure proper documentation for billing
  • Verify code specificity requirements
  • Check for any additional codes needed
  • Review payer-specific guidelines

Common Issues

  • Insufficient clinical documentation
  • Incorrect code selection
  • Missing supporting diagnoses
  • Timing and frequency documentation

Frequently Asked Questions

What documentation is required for this diagnosis?

Documentation must include clinical findings, diagnostic test results, and treatment plans.

How does this differ from similar diagnoses?

HFpEF is characterized by preserved ejection fraction, unlike HFrEF which has reduced ejection fraction.

What are common billing considerations?

Ensure accurate coding to reflect the diagnosis and associated treatments for optimal reimbursement.

What procedures are typically associated?

CPT codes for echocardiograms and cardiac monitoring may be relevant.

Are there any quality reporting implications?

Quality measures may include tracking readmission rates and patient education on heart failure management.