I50.9
Heart failure, unspecified
Diseases of the circulatory system Billable
Quick Reference
Documented heart failure when specific type (systolic vs. diastolic, acute vs. chronic) is not specified
Clinical Information
When to Use This Code
Documented heart failure when specific type (systolic vs. diastolic, acute vs. chronic) is not specified
Common Clinical Scenarios
- Initial heart failure diagnosis pending echocardiogram
- Heart failure documented without ejection fraction data
- Emergency department CHF without complete workup
Documentation Requirements
- Document clinical signs: dyspnea, edema, rales, elevated JVP
- Record ejection fraction if available for more specific coding
- Specify acute vs. chronic and systolic vs. diastolic when known
- Document NYHA functional class
Coding Guidelines
Inclusion Terms
These terms are included in this code:
Congestive heart failure (CHF)Heart failure NOSCardiac failure
Exclusion Terms
Do NOT use this code for:
- Neonatal cardiac failure (P29.0)
- Cardiac arrest (I46.-)
- Use more specific codes when ejection fraction is known
Coding Notes
Code more specifically when ejection fraction documented
Consider I50.2- for systolic, I50.3- for diastolic, I50.4- for combined
Add codes for underlying conditions causing heart failure
Related ICD-10 Codes
Consider these related codes based on patient presentation:
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Code
I50.9
Category
Diseases of the circulatory system
Billable Status
Billable
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