All ICD10 Codes

DRG 266

Surgical DRG

Endovascular Cardiac Valve Replacement and Supplement Procedures with MCC

TypeSurgicalMDC05

What is MS-DRG 266?

MS-DRG 266 is a Surgical Medicare Severity Diagnosis Related Group under Major Diagnostic Category 05 (MDC 05) with a Major Complication or Comorbidity (MCC). For FY 2026 it carries a relative weight of 6.1284 with a geometric mean length of stay of 2.5 days and an arithmetic mean of 4.5 days. Hospitals use this grouping to determine reimbursement for inpatient stays under Medicare.

Classification
Surgical DRG
Procedure-driven grouping
MDC
Major Diagnostic Category 05
Linked Codes
0 diagnosis
66 procedure

FY 2026 Payment Data

Official values from Table 5 of the FY 2026 IPPS Final Rule (CMS).

Relative Weight
6.1284
Payment multiplier vs. average case (1.0)
Geometric Mean LOS
2.5 days
Used for transfer payment calculations
Arithmetic Mean LOS
4.5 days
Average length of stay
Post-Acute Transfer
Yes
Subject to the post-acute care transfer policy

Related MS-DRGs in This Severity Group

The same clinical condition is split into separate DRGs by complication severity. MCC pays more than CC, which pays more than no CC/MCC.

DRGTitleRel. WeightGMLOS
266Endovascular Cardiac Valve Replacement and Supplement Procedures with MCCThis page6.12842.5 days
267Endovascular Cardiac Valve Replacement and Supplement Procedures without MCC4.76081.3 days

Linked ICD-10-PCS Procedure Mappings

  • 02RF37H

    Replacement of Aortic Valve with Autologous Tissue Substitute, Transapical, Percutaneous Approach

    BillableSection 0
  • 02RF37Z

    Replacement of Aortic Valve with Autologous Tissue Substitute, Percutaneous Approach

    BillableSection 0
  • 02RF38H

    Replacement of Aortic Valve with Zooplastic Tissue, Transapical, Percutaneous Approach

    BillableSection 0
  • 02RF38N

    Replacement of Aortic Valve with Zooplastic Tissue, using Rapid Deployment Technique, Percutaneous Approach

    BillableSection 0
  • 02RF38Z

    Replacement of Aortic Valve with Zooplastic Tissue, Percutaneous Approach

    BillableSection 0
  • 02RF3JH

    Replacement of Aortic Valve with Synthetic Substitute, Transapical, Percutaneous Approach

    BillableSection 0
  • 02RF3JZ

    Replacement of Aortic Valve with Synthetic Substitute, Percutaneous Approach

    BillableSection 0
  • 02RF3KH

    Replacement of Aortic Valve with Nonautologous Tissue Substitute, Transapical, Percutaneous Approach

    BillableSection 0
  • 02RF3KZ

    Replacement of Aortic Valve with Nonautologous Tissue Substitute, Percutaneous Approach

    BillableSection 0
  • 02RG37H

    Replacement of Mitral Valve with Autologous Tissue Substitute, Transapical, Percutaneous Approach

    BillableSection 0
  • 02RG37Z

    Replacement of Mitral Valve with Autologous Tissue Substitute, Percutaneous Approach

    BillableSection 0
  • 02RG38H

    Replacement of Mitral Valve with Zooplastic Tissue, Transapical, Percutaneous Approach

    BillableSection 0
  • 02RG38Z

    Replacement of Mitral Valve with Zooplastic Tissue, Percutaneous Approach

    BillableSection 0
  • 02RG3JH

    Replacement of Mitral Valve with Synthetic Substitute, Transapical, Percutaneous Approach

    BillableSection 0
  • 02RG3JZ

    Replacement of Mitral Valve with Synthetic Substitute, Percutaneous Approach

    BillableSection 0
  • 02RG3KH

    Replacement of Mitral Valve with Nonautologous Tissue Substitute, Transapical, Percutaneous Approach

    BillableSection 0
  • 02RG3KZ

    Replacement of Mitral Valve with Nonautologous Tissue Substitute, Percutaneous Approach

    BillableSection 0
  • 02RH37H

    Replacement of Pulmonary Valve with Autologous Tissue Substitute, Transapical, Percutaneous Approach

    BillableSection 0
  • 02RH37Z

    Replacement of Pulmonary Valve with Autologous Tissue Substitute, Percutaneous Approach

    BillableSection 0
  • 02RH38H

    Replacement of Pulmonary Valve with Zooplastic Tissue, Transapical, Percutaneous Approach

    BillableSection 0
  • 02RH38L

    Replacement of Pulmonary Valve with Zooplastic Tissue, In Existing Conduit, Percutaneous Approach

    BillableSection 0
  • 02RH38M

    Replacement of Pulmonary Valve with Zooplastic Tissue, Native Site, Percutaneous Approach

    BillableSection 0
  • 02RH38Z

    Replacement of Pulmonary Valve with Zooplastic Tissue, Percutaneous Approach

    BillableSection 0
  • 02RH3JH

    Replacement of Pulmonary Valve with Synthetic Substitute, Transapical, Percutaneous Approach

    BillableSection 0
  • 02RH3JZ

    Replacement of Pulmonary Valve with Synthetic Substitute, Percutaneous Approach

    BillableSection 0
  • 02RH3KH

    Replacement of Pulmonary Valve with Nonautologous Tissue Substitute, Transapical, Percutaneous Approach

    BillableSection 0
  • 02RH3KZ

    Replacement of Pulmonary Valve with Nonautologous Tissue Substitute, Percutaneous Approach

    BillableSection 0
  • 02RJ37H

    Replacement of Tricuspid Valve with Autologous Tissue Substitute, Transapical, Percutaneous Approach

    BillableSection 0
  • 02RJ37Z

    Replacement of Tricuspid Valve with Autologous Tissue Substitute, Percutaneous Approach

    BillableSection 0
  • 02RJ38H

    Replacement of Tricuspid Valve with Zooplastic Tissue, Transapical, Percutaneous Approach

    BillableSection 0
  • 02RJ38Z

    Replacement of Tricuspid Valve with Zooplastic Tissue, Percutaneous Approach

    BillableSection 0
  • 02RJ3JH

    Replacement of Tricuspid Valve with Synthetic Substitute, Transapical, Percutaneous Approach

    BillableSection 0
  • 02RJ3JZ

    Replacement of Tricuspid Valve with Synthetic Substitute, Percutaneous Approach

    BillableSection 0
  • 02RJ3KH

    Replacement of Tricuspid Valve with Nonautologous Tissue Substitute, Transapical, Percutaneous Approach

    BillableSection 0
  • 02RJ3KZ

    Replacement of Tricuspid Valve with Nonautologous Tissue Substitute, Percutaneous Approach

    BillableSection 0
  • 02UF37J

    Supplement Aortic Valve created from Truncal Valve with Autologous Tissue Substitute, Percutaneous Approach

    BillableSection 0
  • 02UF37Z

    Supplement Aortic Valve with Autologous Tissue Substitute, Percutaneous Approach

    BillableSection 0
  • 02UF38J

    Supplement Aortic Valve created from Truncal Valve with Zooplastic Tissue, Percutaneous Approach

    BillableSection 0
  • 02UF38Z

    Supplement Aortic Valve with Zooplastic Tissue, Percutaneous Approach

    BillableSection 0
  • 02UF3JJ

    Supplement Aortic Valve created from Truncal Valve with Synthetic Substitute, Percutaneous Approach

    BillableSection 0
  • 02UF3JZ

    Supplement Aortic Valve with Synthetic Substitute, Percutaneous Approach

    BillableSection 0
  • 02UF3KJ

    Supplement Aortic Valve created from Truncal Valve with Nonautologous Tissue Substitute, Percutaneous Approach

    BillableSection 0
  • 02UF3KZ

    Supplement Aortic Valve with Nonautologous Tissue Substitute, Percutaneous Approach

    BillableSection 0
  • 02UG37E

    Supplement Mitral Valve created from Left Atrioventricular Valve with Autologous Tissue Substitute, Percutaneous Approach

    BillableSection 0
  • 02UG37Z

    Supplement Mitral Valve with Autologous Tissue Substitute, Percutaneous Approach

    BillableSection 0
  • 02UG38E

    Supplement Mitral Valve created from Left Atrioventricular Valve with Zooplastic Tissue, Percutaneous Approach

    BillableSection 0
  • 02UG38Z

    Supplement Mitral Valve with Zooplastic Tissue, Percutaneous Approach

    BillableSection 0
  • 02UG3JE

    Supplement Mitral Valve created from Left Atrioventricular Valve with Synthetic Substitute, Percutaneous Approach

    BillableSection 0
  • 02UG3JH

    Supplement Mitral Valve with Synthetic Substitute, Transapical, Percutaneous Approach

    BillableSection 0
  • 02UG3JZ

    Supplement Mitral Valve with Synthetic Substitute, Percutaneous Approach

    BillableSection 0
  • 02UG3KE

    Supplement Mitral Valve created from Left Atrioventricular Valve with Nonautologous Tissue Substitute, Percutaneous Approach

    BillableSection 0
  • 02UG3KZ

    Supplement Mitral Valve with Nonautologous Tissue Substitute, Percutaneous Approach

    BillableSection 0
  • 02UH37Z

    Supplement Pulmonary Valve with Autologous Tissue Substitute, Percutaneous Approach

    BillableSection 0
  • 02UH38Z

    Supplement Pulmonary Valve with Zooplastic Tissue, Percutaneous Approach

    BillableSection 0
  • 02UH3JZ

    Supplement Pulmonary Valve with Synthetic Substitute, Percutaneous Approach

    BillableSection 0
  • 02UH3KZ

    Supplement Pulmonary Valve with Nonautologous Tissue Substitute, Percutaneous Approach

    BillableSection 0
  • 02UJ37G

    Supplement Tricuspid Valve created from Right Atrioventricular Valve with Autologous Tissue Substitute, Percutaneous Approach

    BillableSection 0
  • 02UJ37Z

    Supplement Tricuspid Valve with Autologous Tissue Substitute, Percutaneous Approach

    BillableSection 0
  • 02UJ38G

    Supplement Tricuspid Valve created from Right Atrioventricular Valve with Zooplastic Tissue, Percutaneous Approach

    BillableSection 0
  • 02UJ38Z

    Supplement Tricuspid Valve with Zooplastic Tissue, Percutaneous Approach

    BillableSection 0
  • 02UJ3JG

    Supplement Tricuspid Valve created from Right Atrioventricular Valve with Synthetic Substitute, Percutaneous Approach

    BillableSection 0
  • 02UJ3JZ

    Supplement Tricuspid Valve with Synthetic Substitute, Percutaneous Approach

    BillableSection 0
  • 02UJ3KG

    Supplement Tricuspid Valve created from Right Atrioventricular Valve with Nonautologous Tissue Substitute, Percutaneous Approach

    BillableSection 0
  • 02UJ3KZ

    Supplement Tricuspid Valve with Nonautologous Tissue Substitute, Percutaneous Approach

    BillableSection 0
  • X2RJ3RA

    Replacement of Tricuspid Valve with Multi-plane Flex Technology Bioprosthetic Valve, Percutaneous Approach, New Technology Group 10

    BillableSection X
  • X2U93YA

    Supplement Right Atrium with Intraluminal Device, Heterotopic Bioprosthetic Valve(s), Percutaneous Approach, New Technology Group 10

    BillableSection X