MS-DRG v44.0 · MDC 23: Factors Influencing Health Status and Other Contacts with Health Services
939 — O.R. Procedures with Diagnoses of Other Contact with Health Services with MCC
- Relative weight
- 3.2657
- Geometric mean LOS
- 5.8 days
- Arithmetic mean LOS
- 9.1 days
- Type
- Surgical
About MS-DRG 939
MS-DRG 939, O.R. Procedures with Diagnoses of Other Contact with Health Services with MCC, is a surgical DRG in MDC 23 (Factors Influencing Health Status and Other Contacts with Health Services) under MS-DRG version 44.0, which applies to inpatient discharges from October 1, 2026 through September 30, 2027.
Its FY2027 relative weight is 3.2657, so Medicare's base payment for this DRG is about 3.27 times the average inpatient case, before hospital-specific adjustments. The geometric mean length of stay is 5.8 days and the arithmetic mean is 9.1 days.
It belongs to a 3-level severity family: DRG 939 (with MCC, weight 3.2657), DRG 940 (with CC, weight 2.1122) and DRG 941 (without CC/MCC, weight 1.9448). The highest-severity level carries 1.7 times the weight of the lowest, which is why documenting CC and MCC conditions matters.
ICD-10-CM codes that group to DRG 939 (0)
This DRG is assigned by procedure, not by a diagnosis list.
Common questions about DRG 939
What is the relative weight of DRG 939?
- 3.2657 for FY2027 (MS-DRG v44.0), from the IPPS final rule Table 5.
What is the average length of stay for DRG 939?
- The geometric mean length of stay is 5.8 days; the arithmetic mean is 9.1 days.
Is DRG 939 medical or surgical?
- DRG 939 is a surgical DRG.