MS-DRG 303 — Atherosclerosis without MCC
MDC 05 · Circulatory System · Medical DRG · FY2026
| FY2026 relative weight | 0.6732 |
|---|---|
| Geometric mean LOS | 1.8 days |
| Arithmetic mean LOS | 2.3 days |
| Severity tier | without MCC |
| Post-acute transfer policy | No |
| Special payment provision | No |
Severity family — documentation moves the weight 1.78×
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 |
|---|---|---|---|
| 302 | Atherosclerosis with MCC | 1.1966 | 2.9 |
| 303 | Atherosclerosis without MCC | 0.6732 | 1.8 |
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.