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266

MS-DRG 266 — ENDOVASCULAR CARDIAC VALVE REPLACEMENT AND SUPPLEMENT PROCEDURES WITH MCC

DRGSurgicalMDC 05

FY2026 payment factors

Relative weight
6.1284
Geometric mean LOS
2.50
Arithmetic mean LOS
4.50
Post-acute transfer
Yes

This DRG is subject to the post-acute care transfer policy: a discharge to a qualifying setting below the mean length of stay is paid per diem rather than in full.

Other DRGs in MDC 05

The with-MCC, with-CC and without-CC/MCC splits usually sit next to each other here. Those are what a documentation query is actually deciding between, and the weight gap between them is why the query is worth raising.

  • 209COMPLEX AORTIC ARCH PROCEDURES11.3188
  • 212CONCOMITANT AORTIC AND MITRAL VALVE PROCEDURES10.8741
  • 213ENDOVASCULAR ABDOMINAL AORTA WITH ILIAC BRANCH PROCEDURES5.7069
  • 215OTHER HEART ASSIST SYSTEM IMPLANT9.9570
  • 216CARDIAC VALVE AND OTHER MAJOR CARDIOTHORACIC PROCEDURES WITH CARDIAC CATHETERIZATION WITH MCC9.7828
  • 217CARDIAC VALVE AND OTHER MAJOR CARDIOTHORACIC PROCEDURES WITH CARDIAC CATHETERIZATION WITH CC6.5753
  • 218CARDIAC VALVE AND OTHER MAJOR CARDIOTHORACIC PROCEDURES WITH CARDIAC CATHETERIZATION WITHOUT CC/MCC6.5753
  • 219CARDIAC VALVE AND OTHER MAJOR CARDIOTHORACIC PROCEDURES WITHOUT CARDIAC CATHETERIZATION WITH MCC7.6783
  • 220CARDIAC VALVE AND OTHER MAJOR CARDIOTHORACIC PROCEDURES WITHOUT CARDIAC CATHETERIZATION WITH CC5.3328
  • 221CARDIAC VALVE AND OTHER MAJOR CARDIOTHORACIC PROCEDURES WITHOUT CARDIAC CATHETERIZATION WITHOUT CC/MCC5.0402
  • 228OTHER CARDIOTHORACIC PROCEDURES WITH MCC4.9474
  • 229OTHER CARDIOTHORACIC PROCEDURES WITHOUT MCC3.1495
  • 231CORONARY BYPASS WITH PTCA WITH MCC8.4299
  • 232CORONARY BYPASS WITH PTCA WITHOUT MCC6.0626
  • 233CORONARY BYPASS WITH CARDIAC CATHETERIZATION OR OPEN ABLATION WITH MCC7.6452
  • 234CORONARY BYPASS WITH CARDIAC CATHETERIZATION OR OPEN ABLATION WITHOUT MCC5.4627
  • 235CORONARY BYPASS WITHOUT CARDIAC CATHETERIZATION WITH MCC5.8686
  • 236CORONARY BYPASS WITHOUT CARDIAC CATHETERIZATION WITHOUT MCC4.1888
  • 239AMPUTATION FOR CIRCULATORY SYSTEM DISORDERS EXCEPT UPPER LIMB AND TOE WITH MCC4.9217
  • 240AMPUTATION FOR CIRCULATORY SYSTEM DISORDERS EXCEPT UPPER LIMB AND TOE WITH CC2.8505
  • 241AMPUTATION FOR CIRCULATORY SYSTEM DISORDERS EXCEPT UPPER LIMB AND TOE WITHOUT CC/MCC1.3844
  • 242PERMANENT CARDIAC PACEMAKER IMPLANT WITH MCC3.1928
  • 243PERMANENT CARDIAC PACEMAKER IMPLANT WITH CC2.1309
  • 244PERMANENT CARDIAC PACEMAKER IMPLANT WITHOUT CC/MCC1.8075
  • 245AICD GENERATOR PROCEDURES4.5624
  • 250PERCUTANEOUS CARDIOVASCULAR PROCEDURES WITHOUT INTRALUMINAL DEVICE WITH MCC2.1825
  • 251PERCUTANEOUS CARDIOVASCULAR PROCEDURES WITHOUT INTRALUMINAL DEVICE WITHOUT MCC1.4945
  • 252OTHER VASCULAR PROCEDURES WITH MCC3.4883
  • 253OTHER VASCULAR PROCEDURES WITH CC2.5956
  • 254OTHER VASCULAR PROCEDURES WITHOUT CC/MCC1.7817
  • 255UPPER LIMB AND TOE AMPUTATION FOR CIRCULATORY SYSTEM DISORDERS WITH MCC2.6974
  • 256UPPER LIMB AND TOE AMPUTATION FOR CIRCULATORY SYSTEM DISORDERS WITH CC1.6979
  • 257UPPER LIMB AND TOE AMPUTATION FOR CIRCULATORY SYSTEM DISORDERS WITHOUT CC/MCC1.0922
  • 258CARDIAC PACEMAKER DEVICE REPLACEMENT WITH MCC3.1421
  • 259CARDIAC PACEMAKER DEVICE REPLACEMENT WITHOUT MCC2.0221
  • 260CARDIAC PACEMAKER REVISION EXCEPT DEVICE REPLACEMENT WITH MCC3.2528
  • 261CARDIAC PACEMAKER REVISION EXCEPT DEVICE REPLACEMENT WITH CC1.8905
  • 262CARDIAC PACEMAKER REVISION EXCEPT DEVICE REPLACEMENT WITHOUT CC/MCC1.6299
  • 263VEIN LIGATION AND STRIPPING3.0574
  • 264OTHER CIRCULATORY SYSTEM O.R. PROCEDURES3.3406

Working the claim behind this DRG

A DRG is assigned from the diagnoses and procedures already on the claim, so the questions that decide MS-DRG 266 are coding questions. Look the principal diagnosis up in the full ICD-10-CM tabular list with its Excludes1 and “code first” notes attached, or start from the condition instead of the code in the codes-by-condition index. For the secondary diagnoses that move a case between the with-MCC, with-CC and without-CC/MCC splits, paste the whole set into the free claim scrubber and see which pairs collide before the claim goes out — no account, no card.

The supplies, drugs and devices billed alongside an inpatient stay are HCPCS Level II, listed in full at HCPCS by section. If the claim comes back rejected, the denial code index explains what each CARC actually means and what to do about it, and the decision guides walk the sequencing calls that most often cause one — sepsis and diabetes above all.

Every one of those is free and needs no account. This page is the payment table: it says what MS-DRG 266 is worth. Which medical DRG a set of diagnoses lands in is the workspace’s DRG impact check, from the CMS CC/MCC lists; it does not group surgical cases.

MS-DRG (IPPS Table 5)FY2026