MS-DRG 449Surgical
Revision of Hip or Knee Prosthesis
Major Diagnostic Category 08·Grouped by procedure·FY 2027
MS-DRG 449 is a Surgical Medicare Severity Diagnosis Related Group under Major Diagnostic Category 08 (MDC 08). For FY 2027 it carries a relative weight of 3.2995 with a geometric mean length of stay of 3.1 days and an arithmetic mean of 4.8 days. Hospitals use this grouping to determine reimbursement for inpatient stays under Medicare.
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FY 2027 payment data
From Table 5 of the FY 2027 IPPS Final Rule (CMS).
- Relative weight:
- 3.2995 (payment multiplier vs. the average case (1.0))
- Geometric mean stay:
- 3.1 days (used for transfer payments)
- Average stay:
- 4.8 days (arithmetic mean)
- Post-acute transfer policy:
- No (not subject to it)
Procedure codes (42)
ICD-10-PCS procedures that can group a stay to DRG 449.
- 0SW90JZRevision of Synthetic Substitute in Right Hip Joint, Open Approach
- 0SW93JZRevision of Synthetic Substitute in Right Hip Joint, Percutaneous Approach
- 0SW94JZRevision of Synthetic Substitute in Right Hip Joint, Percutaneous Endoscopic Approach
- 0SWA0JZRevision of Synthetic Substitute in Right Hip Joint, Acetabular Surface, Open Approach
- 0SWA3JZRevision of Synthetic Substitute in Right Hip Joint, Acetabular Surface, Percutaneous Approach
- 0SWA4JZRevision of Synthetic Substitute in Right Hip Joint, Acetabular Surface, Percutaneous Endoscopic Approach
- 0SWB0JZRevision of Synthetic Substitute in Left Hip Joint, Open Approach
- 0SWB3JZRevision of Synthetic Substitute in Left Hip Joint, Percutaneous Approach
- 0SWB4JZRevision of Synthetic Substitute in Left Hip Joint, Percutaneous Endoscopic Approach
- 0SWC0JCRevision of Synthetic Substitute in Right Knee Joint, Patellar Surface, Open Approach
- 0SWC0JZRevision of Synthetic Substitute in Right Knee Joint, Open Approach
- 0SWC3JCRevision of Synthetic Substitute in Right Knee Joint, Patellar Surface, Percutaneous Approach
- 0SWC3JZRevision of Synthetic Substitute in Right Knee Joint, Percutaneous Approach
- 0SWC4JCRevision of Synthetic Substitute in Right Knee Joint, Patellar Surface, Percutaneous Endoscopic Approach
- 0SWC4JZRevision of Synthetic Substitute in Right Knee Joint, Percutaneous Endoscopic Approach
- 0SWD0JCRevision of Synthetic Substitute in Left Knee Joint, Patellar Surface, Open Approach
- 0SWD0JZRevision of Synthetic Substitute in Left Knee Joint, Open Approach
- 0SWD3JCRevision of Synthetic Substitute in Left Knee Joint, Patellar Surface, Percutaneous Approach
- 0SWD3JZRevision of Synthetic Substitute in Left Knee Joint, Percutaneous Approach
- 0SWD4JCRevision of Synthetic Substitute in Left Knee Joint, Patellar Surface, Percutaneous Endoscopic Approach
- 0SWD4JZRevision of Synthetic Substitute in Left Knee Joint, Percutaneous Endoscopic Approach
- 0SWE0JZRevision of Synthetic Substitute in Left Hip Joint, Acetabular Surface, Open Approach
- 0SWE3JZRevision of Synthetic Substitute in Left Hip Joint, Acetabular Surface, Percutaneous Approach
- 0SWE4JZRevision of Synthetic Substitute in Left Hip Joint, Acetabular Surface, Percutaneous Endoscopic Approach
- 0SWR0JZRevision of Synthetic Substitute in Right Hip Joint, Femoral Surface, Open Approach
- 0SWR3JZRevision of Synthetic Substitute in Right Hip Joint, Femoral Surface, Percutaneous Approach
- 0SWR4JZRevision of Synthetic Substitute in Right Hip Joint, Femoral Surface, Percutaneous Endoscopic Approach
- 0SWS0JZRevision of Synthetic Substitute in Left Hip Joint, Femoral Surface, Open Approach
- 0SWS3JZRevision of Synthetic Substitute in Left Hip Joint, Femoral Surface, Percutaneous Approach
- 0SWS4JZRevision of Synthetic Substitute in Left Hip Joint, Femoral Surface, Percutaneous Endoscopic Approach
- 0SWT0JZRevision of Synthetic Substitute in Right Knee Joint, Femoral Surface, Open Approach
- 0SWT3JZRevision of Synthetic Substitute in Right Knee Joint, Femoral Surface, Percutaneous Approach
- 0SWT4JZRevision of Synthetic Substitute in Right Knee Joint, Femoral Surface, Percutaneous Endoscopic Approach
- 0SWU0JZRevision of Synthetic Substitute in Left Knee Joint, Femoral Surface, Open Approach
- 0SWU3JZRevision of Synthetic Substitute in Left Knee Joint, Femoral Surface, Percutaneous Approach
- 0SWU4JZRevision of Synthetic Substitute in Left Knee Joint, Femoral Surface, Percutaneous Endoscopic Approach
- 0SWV0JZRevision of Synthetic Substitute in Right Knee Joint, Tibial Surface, Open Approach
- 0SWV3JZRevision of Synthetic Substitute in Right Knee Joint, Tibial Surface, Percutaneous Approach
- 0SWV4JZRevision of Synthetic Substitute in Right Knee Joint, Tibial Surface, Percutaneous Endoscopic Approach
- 0SWW0JZRevision of Synthetic Substitute in Left Knee Joint, Tibial Surface, Open Approach
- 0SWW3JZRevision of Synthetic Substitute in Left Knee Joint, Tibial Surface, Percutaneous Approach
- 0SWW4JZRevision of Synthetic Substitute in Left Knee Joint, Tibial Surface, Percutaneous Endoscopic Approach