MS-DRG 234 — Coronary Bypass with Cardiac Catheterization or Open Ablation without MCC
MDC 05 · Circulatory System · Surgical DRG · FY2026
| FY2026 relative weight | 5.4627 |
|---|---|
| Geometric mean LOS | 8.2 days |
| Arithmetic mean LOS | 8.8 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 1.40×
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 |
|---|---|---|---|
| 233 | Coronary Bypass with Cardiac Catheterization or Open Ablation with MCC | 7.6452 | 11.0 |
| 234 | Coronary Bypass with Cardiac Catheterization or Open Ablation without MCC | 5.4627 | 8.2 |
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.