MS-DRG 331 — Major Small and Large Bowel Procedures without CC/MCC
MDC 06 · Digestive System · Surgical DRG · FY2026
| FY2026 relative weight | 1.6829 |
|---|---|
| Geometric mean LOS | 2.7 days |
| Arithmetic mean LOS | 3.2 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 2.73×
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 |
|---|---|---|---|
| 329 | Major Small and Large Bowel Procedures with MCC | 4.5965 | 9.4 |
| 330 | Major Small and Large Bowel Procedures with CC | 2.3972 | 4.8 |
| 331 | Major Small and Large Bowel Procedures without CC/MCC | 1.6829 | 2.7 |
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.