MS-DRG 918 — Poisoning and Toxic Effects of Drugs without MCC
MDC 21 · Injuries, Poisonings & Toxic Effects · Medical DRG · FY2026
| FY2026 relative weight | 0.8571 |
|---|---|
| Geometric mean LOS | 2.4 days |
| Arithmetic mean LOS | 3.4 days |
| Severity tier | without MCC |
| Post-acute transfer policy | Yes — per-diem reduction applies to qualifying transfers |
| Special payment provision | No |
Severity family — documentation moves the weight 1.83×
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 |
|---|---|---|---|
| 917 | Poisoning and Toxic Effects of Drugs with MCC | 1.5684 | 3.7 |
| 918 | Poisoning and Toxic Effects of Drugs without MCC | 0.8571 | 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.