MS-DRG v44.0 · MDC 10: Endocrine, Nutritional and Metabolic Diseases and Disorders
621 — O.R. Procedures for Obesity without CC/MCC
- Relative weight
- 1.5622
- Geometric mean LOS
- 1.2 days
- Arithmetic mean LOS
- 1.3 days
- Type
- Surgical
About MS-DRG 621
MS-DRG 621, O.R. Procedures for Obesity without CC/MCC, is a surgical DRG in MDC 10 (Endocrine, Nutritional and Metabolic Diseases and Disorders) under MS-DRG version 44.0, which applies to inpatient discharges from October 1, 2026 through September 30, 2027.
Its FY2027 relative weight is 1.5622, so Medicare's base payment for this DRG is about 1.56 times the average inpatient case, before hospital-specific adjustments. The geometric mean length of stay is 1.2 days and the arithmetic mean is 1.3 days.
It belongs to a 3-level severity family: DRG 619 (with MCC, weight 2.5987), DRG 620 (with CC, weight 1.5842) and DRG 621 (without CC/MCC, weight 1.5622). 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 621 (0)
This DRG is assigned by procedure, not by a diagnosis list.
Common questions about DRG 621
What is the relative weight of DRG 621?
- 1.5622 for FY2027 (MS-DRG v44.0), from the IPPS final rule Table 5.
What is the average length of stay for DRG 621?
- The geometric mean length of stay is 1.2 days; the arithmetic mean is 1.3 days.
Is DRG 621 medical or surgical?
- DRG 621 is a surgical DRG.