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DRG Grouper Code Search Blog
MS-DRG

661

Kidney and Ureter Procedures for Non-Neoplasm without CC/MCC

Relative weight
1.0441
V44.0
In effect · V44.0 MDC 11 Surgical
Severity family
659 660 661

Same base procedure, split by complication and comorbidity level.

MDC 11 — Diseases and Disorders of the Kidney and Urinary Tract

Relative weight by grouper version

CMS publishes classification in the Definitions Manual and weights in Table 5 of the IPPS rule, one spreadsheet per year. These are the 9 versions this grouper supports.

Version Fiscal year Effective Relative weight
V44.0 FY 2027 2026-10-01 1.0441
V43.1 FY 2026 (Apr-Sep) 2026-04-01 1.0354
V43.0 FY 2026 (Oct-Mar) 2025-10-01 1.0354
V42.1 FY 2025 (Apr-Sep) 2025-04-01 1.0266
V42.0 FY 2025 (Oct-Mar) 2024-10-01 1.0266
V41.1 FY 2024 (Apr-Sep) 2024-04-01 1.0484
V41.0 FY 2024 (Oct-Mar) 2023-10-01 1.0484
V40.1 FY 2023 (Apr-Sep) 2023-04-01 1.0779
V40.0 FY 2023 (Oct-Mar) 2022-10-01 1.0779

Range 1.0266 to 1.0779. A dash means the DRG did not exist in that version.

Codes that reach this DRG

1177 ICD-10-PCS procedures. Each maps here on its own; procedure clusters can also reach this DRG through combinations, listed separately below. Too many to list: this is a catch-all class that sweeps in most of the code set, so the count is more informative than the codes.

Check a real claim

Relative weight is not payment: actual reimbursement also applies wage index, capital, DSH and IME adjustments, and outliers. Group an encounter to see which DRG it actually lands in.

Open the MS-DRG grouper