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ICD-10 Coding for Diastolic Dysfunction(I50.31, I50.32, I50.33)

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

Also known as:

Heart Failure with Preserved Ejection FractionHFpEFDiastolic Heart Failure

Related ICD-10 Code Ranges

Complete code families applicable to Diastolic Dysfunction

I50.3Primary Range

Diastolic (congestive) heart failure

This range includes codes specific to diastolic heart failure, categorized by acuity.

Hypertensive heart disease with heart failure

Used when diastolic dysfunction is due to hypertensive heart disease.

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 there is acute decompensation of diastolic heart failure.
  • E/e' >14 on echocardiogram
  • LA volume index >34 mL/m²
  • BNP >400 pg/mL
I50.32Chronic diastolic (congestive) heart failureUse for chronic diastolic heart failure with stable symptoms.
  • EF ≥50% with diastolic parameters
  • Stable diuretic regimen
I50.33Acute on chronic diastolic (congestive) heart failureUse for acute exacerbation of chronic diastolic heart failure.
  • Worsening edema
  • Elevated BNP levels

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 diastolic dysfunction

Essential facts and insights about Diastolic Dysfunction

Diastolic dysfunction is coded under I50.3, with I50.31 for acute, I50.32 for chronic, and I50.33 for acute on chronic cases.

Primary ICD-10-CM Codes for diastolic dysfunction

Acute diastolic (congestive) heart failure
Billable Code

Decision Criteria

clinical Criteria

  • Presence of acute symptoms and echocardiographic evidence.

Applicable To

  • Acute decompensated diastolic heart failure

Excludes

  • Chronic diastolic heart failure (I50.32)

Clinical Validation Requirements

  • E/e' >14 on echocardiogram
  • LA volume index >34 mL/m²
  • BNP >400 pg/mL

Code-Specific Risks

  • Ensure documentation specifies 'acute' and links to heart failure.

Coding Notes

  • Ensure acute nature is documented with clinical evidence.

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 diastolic dysfunction is due to hypertension.

Differential Codes

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

Chronic diastolic (congestive) heart failure

I50.32
Use for chronic stable diastolic heart failure without acute exacerbation.

Acute diastolic (congestive) heart failure

I50.31
Use for acute exacerbation of diastolic heart failure.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Diastolic Dysfunction to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code I50.31.

Impact

Clinical: Leads to generic treatment plans., Regulatory: Fails to meet coding specificity requirements., Financial: May result in denied claims.

Mitigation Strategy

Always specify 'diastolic' or 'systolic' in documentation.

Impact

Reimbursement: Incorrect acuity can lead to improper reimbursement., Compliance: May result in compliance issues with coding standards., Data Quality: Affects the accuracy of clinical data.

Mitigation Strategy

Ensure documentation specifies acuity (acute, chronic, or acute on chronic).

Impact

Reimbursement: May result in lower reimbursement if not linked., Compliance: Fails to meet documentation standards., Data Quality: Leads to inaccurate clinical records.

Mitigation Strategy

Explicitly link diastolic dysfunction to heart failure in documentation.

Impact

Failure to document acuity can lead to audit findings.

Mitigation Strategy

Ensure all documentation specifies acuity.

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

Documentation Templates for Diastolic Dysfunction

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

Acute on Chronic Diastolic Heart Failure

Specialty: Cardiology

Required Elements

  • Acuity of heart failure
  • Echocardiogram findings
  • BNP levels
  • Symptoms and NYHA class

Example Documentation

Assessment: Acute-on-chronic diastolic heart failure (I50.33) - EF 55%, BNP 820 pg/mL, NYHA Class IV.

Examples: Poor vs. Good Documentation

Poor Documentation Example
HF exacerbation, will diurese
Good Documentation Example
Acute decompensation of chronic diastolic HF (EF 60%, LA enlargement) with 8 lb weight gain
Explanation
The good example specifies the type of heart failure, provides clinical evidence, and documents the acuity.

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

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