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MS-DRG

MS-DRG v42 changes

Effective October 1, 2024

DRGs CMS added, deleted or retitled in grouper v42, effective October 1, 2024, compared with v41.1. v42 defines 773 DRGs. 717 further titles changed capitalization only and are not listed. Changes to which codes group to a DRG are not covered here.

12
DRGs added
5
DRGs deleted
4
Titles revised

MedCoder records DRGs added, deleted or retitled between grouper versions, read from the DRG titles in the CMS grouper package. Changes to which codes group to a DRG are not recorded here.

DRGs added (12)

  • 317 — Concomitant Left Atrial Appendage Closure and Cardiac Ablation
  • 402 — Single Level Combined Anterior and Posterior Spinal Fusion Except Cervical
  • 426 — Multiple Level Combined Anterior and Posterior Spinal Fusion Except Cervical with MCC or Custom-Made Anatomically Designed Interbody Fusion Device
  • 427 — Multiple Level Combined Anterior and Posterior Spinal Fusion Except Cervical with CC
  • 428 — Multiple Level Combined Anterior and Posterior Spinal Fusion Except Cervical without CC/MCC
  • 429 — Combined Anterior and Posterior Cervical Spinal Fusion with MCC
  • 430 — Combined Anterior and Posterior Cervical Spinal Fusion without MCC
  • 447 — Multiple Level Spinal Fusion Except Cervical with MCC or Custom-Made Anatomically Designed Interbody Fusion Device
  • 448 — Multiple Level Spinal Fusion Except Cervical without MCC
  • 450 — Single Level Spinal Fusion Except Cervical with MCC or Custom-Made Anatomically Designed Interbody Fusion Device
  • 451 — Single Level Spinal Fusion Except Cervical without MCC
  • 850 — Acute Leukemia with Other Procedures

DRGs deleted (5)

  • 453 — Combined anterior and posterior spinal fusion with MCC
  • 454 — Combined anterior and posterior spinal fusion with CC
  • 455 — Combined anterior and posterior spinal fusion without CC/MCC
  • 459 — Spinal fusion except cervical with MCC
  • 460 — Spinal fusion except cervical without MCC

DRG titles revised (4)

  • 276 — Cardiac Defibrillator Implant with MCC or Carotid Sinus Neurostimulator
    Previously: Cardiac defibrillator implant with MCC
  • 834 — Acute Leukemia with MCC
    Previously: Acute leukemia without major O.R. procedures with MCC
  • 835 — Acute Leukemia with CC
    Previously: Acute leukemia without major O.R. procedures with CC
  • 836 — Acute Leukemia without CC/MCC
    Previously: Acute leukemia without major O.R. procedures without CC/MCC

Source: DRG titles in the CMS MS-DRG grouper software package (V44), which carries every version from v40 on.

Source data

Source organization
CMS
Source release
MS-DRG grouper v42
File checksum (SHA-256)
6660296839168f8df03ff39e590bae350fe57e15ebf89b82509b2399b694e3b1
Data read date
Data not available in the current MedCoder release record.
Effective date
October 1, 2024
Release type
Annual grouper version, effective October 1, with mid-year versions
Methodology
DRG numbers and titles in grouper v42 are compared with v41.1. Changes to which codes group to a DRG are not recorded here.

These changes are based on recorded release data. MedCoder does not generate coding changes with AI.

All releases in the Change Ledger