MS-DRG 179 — Respiratory Infections and Inflammations without CC/MCC
MDC 04 · Respiratory System · Medical DRG · FY2026
| FY2026 relative weight | 0.7550 |
|---|---|
| Geometric mean LOS | 2.4 days |
| Arithmetic mean LOS | 3.0 days |
| Severity tier | without CC/MCC |
| Post-acute transfer policy | Yes — per-diem reduction applies to qualifying transfers |
| Special payment provision | No |
Severity family — documentation moves the weight 2.07×
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 |
|---|---|---|---|
| 177 | Respiratory Infections and Inflammations with MCC | 1.5627 | 4.4 |
| 178 | Respiratory Infections and Inflammations with CC | 0.9760 | 3.1 |
| 179 | Respiratory Infections and Inflammations without CC/MCC | 0.7550 | 2.4 |
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.