MS-DRG 553 — Bone Diseases and Arthropathies with MCC
MDC 08 · Musculoskeletal & Connective Tissue · Medical DRG · FY2026
| FY2026 relative weight | 1.2963 |
|---|---|
| Geometric mean LOS | 4.0 days |
| Arithmetic mean LOS | 5.2 days |
| Severity tier | with MCC |
| Post-acute transfer policy | No |
| Special payment provision | No |
Severity family — documentation moves the weight 1.56×
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 |
|---|---|---|---|
| 553 | Bone Diseases and Arthropathies with MCC | 1.2963 | 4.0 |
| 554 | Bone Diseases and Arthropathies without MCC | 0.8301 | 2.8 |
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.