MS-DRG v44.0 · MDC 11: Diseases and Disorders of the Kidney and Urinary Tract
670 — Transurethral Procedures without CC/MCC
- Relative weight
- 1.0306
- Geometric mean LOS
- 2.1 days
- Arithmetic mean LOS
- 2.6 days
- Type
- Surgical
About MS-DRG 670
MS-DRG 670, Transurethral Procedures without CC/MCC, is a surgical DRG in MDC 11 (Diseases and Disorders of the Kidney and Urinary Tract) under MS-DRG version 44.0, which applies to inpatient discharges from October 1, 2026 through September 30, 2027.
Its FY2027 relative weight is 1.0306, so Medicare's base payment for this DRG is about 1.03 times the average inpatient case, before hospital-specific adjustments. The geometric mean length of stay is 2.1 days and the arithmetic mean is 2.6 days.
It belongs to a 3-level severity family: DRG 668 (with MCC, weight 2.8731), DRG 669 (with CC, weight 1.558) and DRG 670 (without CC/MCC, weight 1.0306). 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 670 (0)
This DRG is assigned by procedure, not by a diagnosis list.
Common questions about DRG 670
What is the relative weight of DRG 670?
- 1.0306 for FY2027 (MS-DRG v44.0), from the IPPS final rule Table 5.
What is the average length of stay for DRG 670?
- The geometric mean length of stay is 2.1 days; the arithmetic mean is 2.6 days.
Is DRG 670 medical or surgical?
- DRG 670 is a surgical DRG.