Supported DRG Versions¶
| Version | CMS Fiscal Year |
|---|---|
| 400 | FY 2023 (Oct 2022 – Apr 2023) |
| 401 | FY 2023 (Apr 2023 – Sep 2023) |
| 410 | FY 2024 (Oct 2023 – Apr 2024) |
| 411 | FY 2024 (Apr 2024 – Sep 2024) |
| 420 | FY 2025 (Oct 2024 – Apr 2025) |
| 421 | FY 2025 (Apr 2025 – Sep 2025) |
| 430 | FY 2026 (Oct 2025 – Apr 2026) |
| 431 | FY 2026 (Apr 2026 – Sep 2026) |
Pass the version number in the claim's version field.
Note
The grouper engine code is identical across all versions. Version differences come from the binary data files (diagnosis definitions, DRG formulas, etc.). New versions only require recompiling the data.