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Home/Diagnosis/ICD-10 Coding for Cardiac Insufficiency

ICD-10 Coding for Cardiac Insufficiency

I50.21
I50.32
I50.43

Complete ICD-10-CM coding and documentation guide for icd-10 coding for cardiac insufficiency includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Heart Failure
Congestive Heart Failure (CHF)
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Key Information: ICD-10 Coding for Cardiac Insufficiency

Essential facts and insights about ICD-10 Coding for Cardiac Insufficiency

Use ICD-10 code I50.21 for acute systolic (congestive) heart failure, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Acute systolic (congestive) heart failure

Billable Code
I50.21
Billable

Diagnostic Criteria

  • • Ejection fraction (EF) ≤40%
  • • BNP >400 pg/mL

Applicable To

  • • Acute decompensated heart failure

Important Notes

  • • Ensure acute nature is documented clearly to avoid miscoding.

Chronic diastolic (congestive) heart failure

Billable Code
I50.32
Billable

Diagnostic Criteria

  • • Ejection fraction (EF) ≥50%
  • • Elevated BNP levels

Applicable To

  • • Heart failure with preserved ejection fraction (HFpEF)

Important Notes

  • • Document preserved EF and chronicity to ensure accurate coding.

Acute on chronic combined systolic and diastolic heart failure

Billable Code
I50.43
Billable

Diagnostic Criteria

  • • Documented acute exacerbation on chronic heart failure
  • • Changes in EF and BNP levels

Applicable To

  • • Acute exacerbation of chronic combined heart failure

Important Notes

  • • Ensure both systolic and diastolic components are documented.
Ancillary Codes

Additional codes that may be used with this diagnosis

Z79.4

Long term (current) use of insulin

Use if patient is on long-term insulin therapy.

Frequently Asked Questions

What is the ICD-10 code for cardiac insufficiency?

The ICD-10 code for cardiac insufficiency varies based on type: I50.21 for acute systolic, I50.32 for chronic diastolic, and I50.43 for acute on chronic combined heart failure.

How do you code heart failure with preserved ejection fraction?

Heart failure with preserved ejection fraction is coded as I50.32, indicating chronic diastolic heart failure with EF ≥50%.

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