MS-DRG 283 — Acute Myocardial Infarction, Expired with MCC
MDC 05 · Circulatory System · Medical DRG · FY2026
| FY2026 relative weight | 1.9808 |
|---|---|
| Geometric mean LOS | 3.2 days |
| Arithmetic mean LOS | 5.3 days |
| Severity tier | with MCC |
| Post-acute transfer policy | No |
| Special payment provision | No |
Severity family — documentation moves the weight 3.31×
The same base condition splits by coded severity (CC/MCC). Weight deltas here are exactly what one documented comorbidity is worth:
| DRG | Title | FY2026 weight | GMLOS |
|---|---|---|---|
| 283 | Acute Myocardial Infarction, Expired with MCC | 1.9808 | 3.2 |
| 284 | Acute Myocardial Infarction, Expired with CC | 0.6922 | 1.5 |
| 285 | Acute Myocardial Infarction, Expired without CC/MCC | 0.5989 | 1.1 |
Figures come from the official FY2026 IPPS tables and are payment inputs, not adjudicated amounts. DRG Calculator prices full claims — hospital-specific operating, capital, IME, DSH, uncompensated care and outlier math — and verifies results against the official pricer.