MS-DRG 545 — Connective Tissue Disorders with MCC
MDC 08 · Musculoskeletal & Connective Tissue · Medical DRG · FY2026
| FY2026 relative weight | 2.4817 |
|---|---|
| Geometric mean LOS | 5.5 days |
| Arithmetic mean LOS | 8.3 days |
| Severity tier | with MCC |
| Post-acute transfer policy | Yes — per-diem reduction applies to qualifying transfers |
| Special payment provision | No |
Severity family — documentation moves the weight 2.97×
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 |
|---|---|---|---|
| 545 | Connective Tissue Disorders with MCC | 2.4817 | 5.5 |
| 546 | Connective Tissue Disorders with CC | 1.1534 | 3.4 |
| 547 | Connective Tissue Disorders without CC/MCC | 0.8362 | 2.5 |
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.