MS-DRG v44.0 · MDC 24: Multiple Significant Trauma
957 — Other O.R. Procedures for Multiple Significant Trauma with MCC
- Relative weight
- 7.5494
- Geometric mean LOS
- 9.6 days
- Arithmetic mean LOS
- 13.2 days
- Type
- Surgical
About MS-DRG 957
MS-DRG 957, Other O.R. Procedures for Multiple Significant Trauma with MCC, is a surgical DRG in MDC 24 (Multiple Significant Trauma) under MS-DRG version 44.0, which applies to inpatient discharges from October 1, 2026 through September 30, 2027.
Its FY2027 relative weight is 7.5494, so Medicare's base payment for this DRG is about 7.55 times the average inpatient case, before hospital-specific adjustments. The geometric mean length of stay is 9.6 days and the arithmetic mean is 13.2 days.
It belongs to a 3-level severity family: DRG 957 (with MCC, weight 7.5494), DRG 958 (with CC, weight 4.0749) and DRG 959 (without CC/MCC, weight 2.7125). The highest-severity level carries 2.8 times the weight of the lowest, which is why documenting CC and MCC conditions matters.
ICD-10-CM codes that group to DRG 957 (0)
This DRG is assigned by procedure, not by a diagnosis list.
Common questions about DRG 957
What is the relative weight of DRG 957?
- 7.5494 for FY2027 (MS-DRG v44.0), from the IPPS final rule Table 5.
What is the average length of stay for DRG 957?
- The geometric mean length of stay is 9.6 days; the arithmetic mean is 13.2 days.
Is DRG 957 medical or surgical?
- DRG 957 is a surgical DRG.