MS-DRG 657 — Kidney and Ureter Procedures for Neoplasm with CC
MDC 11 · Kidney & Urinary Tract · Surgical DRG · FY2026
| FY2026 relative weight | 1.8300 |
|---|---|
| Geometric mean LOS | 2.5 days |
| Arithmetic mean LOS | 3.2 days |
| Severity tier | with CC |
| Post-acute transfer policy | No |
| Special payment provision | No |
Severity family — documentation moves the weight 2.05×
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 |
|---|---|---|---|
| 656 | Kidney and Ureter Procedures for Neoplasm with MCC | 3.1838 | 5.0 |
| 657 | Kidney and Ureter Procedures for Neoplasm with CC | 1.8300 | 2.5 |
| 658 | Kidney and Ureter Procedures for Neoplasm without CC/MCC | 1.5518 | 1.6 |
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.