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MS-DRG

921

Complications of Treatment without CC/MCC

Relative weight
0.6722
V44.0
In effect · V44.0 MDC 21 Medical
Severity family
919 920 921

Same base procedure, split by complication and comorbidity level.

MDC 21 — Injuries, Poisonings and Toxic Effects of Drugs

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 0.6722
V43.1 FY 2026 (Apr-Sep) 2026-04-01 0.6884
V43.0 FY 2026 (Oct-Mar) 2025-10-01 0.6884
V42.1 FY 2025 (Apr-Sep) 2025-04-01 0.6877
V42.0 FY 2025 (Oct-Mar) 2024-10-01 0.6877
V41.1 FY 2024 (Apr-Sep) 2024-04-01 0.6978
V41.0 FY 2024 (Oct-Mar) 2023-10-01 0.6978
V40.1 FY 2023 (Apr-Sep) 2023-04-01 0.7279
V40.0 FY 2023 (Oct-Mar) 2022-10-01 0.7279

Range 0.6722 to 0.7279. A dash means the DRG did not exist in that version.

Codes that reach this DRG

338 ICD-10-CM diagnoses. Each maps here on its own; procedure clusters can also reach this DRG through combinations, listed separately below.

Diagnoses

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