ICD-10-CM category
I50: Heart failure
Codes under I50 (Heart failure). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| I50.1 | Left ventricular failure, unspecified | ✓ |
| I50.2 | Systolic (congestive) heart failure | — |
| I50.3 | Diastolic (congestive) heart failure | — |
| I50.4 | Combined systolic (congestive) and diastolic (congestive) heart failure | — |
| I50.8 | Other heart failure | — |
| I50.9 | Heart failure, unspecified | ✓ |
| I50.20 | Unspecified systolic (congestive) heart failure | ✓ |
| I50.21 | Acute systolic (congestive) heart failure | ✓ |
| I50.22 | Chronic systolic (congestive) heart failure | ✓ |
| I50.23 | Acute on chronic systolic (congestive) heart failure | ✓ |
| I50.30 | Unspecified diastolic (congestive) heart failure | ✓ |
| I50.31 | Acute diastolic (congestive) heart failure | ✓ |
| I50.32 | Chronic diastolic (congestive) heart failure | ✓ |
| I50.33 | Acute on chronic diastolic (congestive) heart failure | ✓ |
| I50.40 | Unspecified combined systolic (congestive) and diastolic (congestive) heart failure | ✓ |
| I50.41 | Acute combined systolic (congestive) and diastolic (congestive) heart failure | ✓ |
| I50.42 | Chronic combined systolic (congestive) and diastolic (congestive) heart failure | ✓ |
| I50.43 | Acute on chronic combined systolic (congestive) and diastolic (congestive) heart failure | ✓ |
| I50.81 | Right heart failure | — |
| I50.82 | Biventricular heart failure | ✓ |
| I50.83 | High output heart failure | ✓ |
| I50.84 | End stage heart failure | ✓ |
| I50.89 | Other heart failure | ✓ |
| I50.810 | Right heart failure, unspecified | ✓ |
| I50.811 | Acute right heart failure | ✓ |
| I50.812 | Chronic right heart failure | ✓ |
| I50.813 | Acute on chronic right heart failure | ✓ |
| I50.814 | Right heart failure due to left heart failure | ✓ |
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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