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MS-DRG

MS-DRG v43 changes

Effective October 1, 2025

DRGs CMS added, deleted or retitled in grouper v43, effective October 1, 2025, compared with v42.1. v43 defines 772 DRGs. 4 further titles changed capitalization only and are not listed. Changes to which codes group to a DRG are not covered here.

5
DRGs added
6
DRGs deleted
6
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 (5)

  • 209 — Complex Aortic Arch Procedures
  • 213 — Endovascular Abdominal Aorta with Iliac Branch Procedures
  • 318 — Percutaneous Coronary Atherectomy without Intraluminal Device
  • 359 — Percutaneous Coronary Atherectomy with Intraluminal Device with MCC
  • 360 — Percutaneous Coronary Atherectomy with Intraluminal Device without MCC

DRGs deleted (6)

  • 077 — Hypertensive Encephalopathy with MCC
  • 078 — Hypertensive Encephalopathy with CC
  • 079 — Hypertensive Encephalopathy without CC/MCC
  • 294 — Deep Vein Thrombophlebitis with CC/MCC
  • 295 — Deep Vein Thrombophlebitis without CC/MCC
  • 509 — Arthroscopy

DRG titles revised (6)

  • 023 — Craniotomy with Major Device Implant or Acute Complex CNS Principal Diagnosis with MCC or Antineoplastic Implant or Epilepsy with Neurostimulator
    Previously: Craniotomy with Major Device Implant or Acute Complex CNS Principal Diagnosis with MCC or Chemotherapy Implant or Epilepsy with Neurostimulator
  • 067 — Precerebral Occlusion without Infarction with MCC
    Previously: Nonspecific CVA and Precerebral Occlusion without Infarction with MCC
  • 068 — Precerebral Occlusion without Infarction without MCC
    Previously: Nonspecific CVA and Precerebral Occlusion without Infarction without MCC
  • 070 — Other Cerebrovascular Disorders with MCC
    Previously: Nonspecific Cerebrovascular Disorders with MCC
  • 071 — Other Cerebrovascular Disorders with CC
    Previously: Nonspecific Cerebrovascular Disorders with CC
  • 072 — Other Cerebrovascular Disorders without CC/MCC
    Previously: Nonspecific Cerebrovascular Disorders 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 v43
Source file
msdrg_combined.bin (grouper package V440)
File checksum (SHA-256)
6660296839168f8df03ff39e590bae350fe57e15ebf89b82509b2399b694e3b1
Data read date
Data not available in the current MedCoder release record.
Effective date
October 1, 2025
Release type
Annual grouper version, effective October 1, with mid-year versions
Methodology
DRG numbers and titles in grouper v43 are compared with v42.1. 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