MS-DRG 057 — Degenerative Nervous System Disorders without MCC
MDC 01 · Nervous System · Medical DRG · FY2026
| FY2026 relative weight | 1.2956 |
|---|---|
| Geometric mean LOS | 3.8 days |
| Arithmetic mean LOS | 5.9 days |
| Severity tier | without MCC |
| Post-acute transfer policy | Yes — per-diem reduction applies to qualifying transfers |
| Special payment provision | No |
Severity family — documentation moves the weight 1.79×
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 |
|---|---|---|---|
| 056 | Degenerative Nervous System Disorders with MCC | 2.3231 | 5.7 |
| 057 | Degenerative Nervous System Disorders without MCC | 1.2956 | 3.8 |
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.