MS-DRG 191 — Chronic Obstructive Pulmonary Disease with CC
MDC 04 · Respiratory System · Medical DRG · FY2026
| FY2026 relative weight | 0.8430 |
|---|---|
| Geometric mean LOS | 2.6 days |
| Arithmetic mean LOS | 3.3 days |
| Severity tier | with CC |
| Post-acute transfer policy | Yes — per-diem reduction applies to qualifying transfers |
| Special payment provision | No |
Severity family — documentation moves the weight 1.73×
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 |
|---|---|---|---|
| 190 | Chronic Obstructive Pulmonary Disease with MCC | 1.1077 | 3.3 |
| 191 | Chronic Obstructive Pulmonary Disease with CC | 0.8430 | 2.6 |
| 192 | Chronic Obstructive Pulmonary Disease without CC/MCC | 0.6420 | 2.1 |
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.