ICD-10-CM · Chapter 9 · I00-I99
I50 Heart failure
Excludes 2 (not included here)
- cardiac arrest (I46.-)
- neonatal cardiac failure (P29.0)
Code First
- heart failure complicating abortion or ectopic or molar pregnancy (O00-O07, O08.8)
- heart failure due to hypertension (I11.0)
- heart failure due to hypertension with chronic kidney disease (I13.-)
- heart failure following surgery (I97.13-)
- obstetric surgery and procedures (O75.4)
- rheumatic heart failure (I09.81)
Subcodes
Each subcode links to a detail page with full clinical annotations.
| Code | Description | Billable |
|---|---|---|
| I50..1 | Left ventricular failure, unspecified | Yes |
| I50..2 | Systolic (congestive) heart failure | No |
| I50..20 | Unspecified systolic (congestive) heart failure | Yes |
| I50..21 | Acute systolic (congestive) heart failure | Yes |
| I50..22 | Chronic systolic (congestive) heart failure | Yes |
| I50..23 | Acute on chronic systolic (congestive) heart failure | Yes |
| I50..3 | Diastolic (congestive) heart failure | No |
| I50..30 | Unspecified diastolic (congestive) heart failure | Yes |
| I50..31 | Acute diastolic (congestive) heart failure | Yes |
| I50..32 | Chronic diastolic (congestive) heart failure | Yes |
| I50..33 | Acute on chronic diastolic (congestive) heart failure | Yes |
| I50..4 | Combined systolic (congestive) and diastolic (congestive) heart failure | No |
| I50..40 | Unspecified combined systolic (congestive) and diastolic (congestive) heart failure | Yes |
| I50..41 | Acute combined systolic (congestive) and diastolic (congestive) heart failure | Yes |
| I50..42 | Chronic combined systolic (congestive) and diastolic (congestive) heart failure | Yes |
| I50..43 | Acute on chronic combined systolic (congestive) and diastolic (congestive) heart failure | Yes |
| I50..8 | Other heart failure | No |
| I50..81 | Right heart failure | No |
| I50..810 | Right heart failure, unspecified | Yes |
| I50..811 | Acute right heart failure | Yes |
| I50..812 | Chronic right heart failure | Yes |
| I50..813 | Acute on chronic right heart failure | Yes |
| I50..814 | Right heart failure due to left heart failure | Yes |
| I50..82 | Biventricular heart failure | Yes |
| I50..83 | High output heart failure | Yes |
| I50..84 | End stage heart failure | Yes |
| I50..89 | Other heart failure | Yes |
| I50..9 | Heart failure, unspecified | Yes |
Plain-language term for this code
The following entry in the US Medical Glossary corresponds to ICD-10-CM category I50:
- Heart Failure — Insuficiencia cardíaca
Last reviewed: September 2026