| I50 | Heart failure | NON-BILLABLE CODE |
| I50.1 | Left ventricular failure, unspecified | BILLABLE CODE |
| I50.2 | Systolic (congestive) heart failure | NON-BILLABLE CODE |
| I50.20 | Unspecified systolic (congestive) heart failure | BILLABLE CODE |
| I50.21 | Acute systolic (congestive) heart failure | BILLABLE CODE |
| I50.22 | Chronic systolic (congestive) heart failure | BILLABLE CODE |
| I50.23 | Acute on chronic systolic (congestive) heart failure | BILLABLE CODE |
| I50.3 | Diastolic (congestive) heart failure | NON-BILLABLE CODE |
| I50.31 | Acute diastolic (congestive) heart failure | BILLABLE CODE |
| I50.32 | Chronic diastolic (congestive) heart failure | BILLABLE CODE |
| I50.33 | Acute on chronic diastolic (congestive) heart failure | BILLABLE CODE |
| I50.4 | Combined systolic (congestive) and diastolic (congestive) heart failure | NON-BILLABLE CODE |
| I50.40 | Unspecified combined systolic (congestive) and diastolic (congestive) heart failure | BILLABLE CODE |
| I50.41 | Acute combined systolic (congestive) and diastolic (congestive) heart failure | BILLABLE CODE |
| I50.42 | Chronic combined systolic (congestive) and diastolic (congestive) heart failure | BILLABLE CODE |
| I50.43 | Acute on chronic combined systolic (congestive) and diastolic (congestive) heart failure | BILLABLE CODE |
| I50.8 | Other heart failure | NON-BILLABLE CODE |
| I50.81 | Right heart failure | NON-BILLABLE CODE |
| I50.810 | Right heart failure, unspecified | BILLABLE CODE |
| I50.811 | Acute right heart failure | BILLABLE CODE |
| I50.812 | Chronic right heart failure | BILLABLE CODE |
| I50.813 | Acute on chronic right heart failure | BILLABLE CODE |
| I50.814 | Right heart failure due to left heart failure | BILLABLE CODE |
| I50.82 | Biventricular heart failure | BILLABLE CODE |
| I50.83 | High output heart failure | BILLABLE CODE |
| I50.84 | End stage heart failure | BILLABLE CODE |
| I50.89 | Other heart failure | BILLABLE CODE |
| I50.9 | Heart failure, unspecified | BILLABLE CODE |
