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MS-DRG v44.0 · MDC 24: Multiple Significant Trauma

964 — Other Multiple Significant Trauma with CC

Relative weight
1.4972
Geometric mean LOS
3.8 days
Arithmetic mean LOS
4.8 days
Type
Medical

About MS-DRG 964

MS-DRG 964, Other Multiple Significant Trauma with CC, is a medical 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 1.4972, so Medicare's base payment for this DRG is about 1.50 times the average inpatient case, before hospital-specific adjustments. The geometric mean length of stay is 3.8 days and the arithmetic mean is 4.8 days.

It belongs to a 3-level severity family: DRG 963 (with MCC, weight 2.6363), DRG 964 (with CC, weight 1.4972) and DRG 965 (without CC/MCC, weight 1.0059). The highest-severity level carries 2.6 times the weight of the lowest, which is why documenting CC and MCC conditions matters.

8,727 ICD-10-CM diagnosis codes are part of this DRG's grouping logic; they are listed below.

ICD-10-CM codes that group to DRG 964 (8,727)

Chapter 13: Diseases of the musculoskeletal system and connective tissue

Chapter 19: Injury, poisoning and certain other consequences of external causes

+ 7212 more

Common questions about DRG 964

What is the relative weight of DRG 964?

1.4972 for FY2027 (MS-DRG v44.0), from the IPPS final rule Table 5.

What is the average length of stay for DRG 964?

The geometric mean length of stay is 3.8 days; the arithmetic mean is 4.8 days.

Is DRG 964 medical or surgical?

DRG 964 is a medical DRG.