MS-DRG 522 — Hip Replacement with Principal Diagnosis of Hip Fracture without MCC
MDC 08 · Musculoskeletal & Connective Tissue · Surgical DRG · FY2026
| FY2026 relative weight | 2.1177 |
|---|---|
| Geometric mean LOS | 4.0 days |
| Arithmetic mean LOS | 4.5 days |
| Severity tier | without MCC |
| Post-acute transfer policy | Yes — per-diem reduction applies to qualifying transfers |
| Special payment provision | Yes |
Severity family — documentation moves the weight 1.36×
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 |
|---|---|---|---|
| 521 | Hip Replacement with Principal Diagnosis of Hip Fracture with MCC | 2.8702 | 6.0 |
| 522 | Hip Replacement with Principal Diagnosis of Hip Fracture without MCC | 2.1177 | 4.0 |
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.