489
MS-DRG 489: KNEE PROCEDURES WITHOUT PRINCIPAL DIAGNOSIS OF INFECTION WITHOUT CC/MCC
DRGSurgicalMDC 08
MS-DRG 489 is knee procedures without principal diagnosis of infection without cc/mcc, in MDC 08 (a surgical DRG), at the without-CC/MCC level. Its FY2027 relative weight is 1.3122, so a case here pays more than the average Medicare inpatient stay (weight 1.0), with a geometric mean length of stay of 2.00 days.
FY2027 payment factors
- Relative weight
- 1.3122
- Geometric mean LOS
- 2.00
- Arithmetic mean LOS
- 2.60
- 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.
The severity splits
Same base DRG, split by whether a secondary diagnosis is a CC or MCC. The last column is the weight change from MS-DRG 489.
| 488 | KNEE PROCEDURES WITHOUT PRINCIPAL DIAGNOSIS OF INFECTION WITH CC/MCC | 2.2211 | +0.9089 |
| 489 | KNEE PROCEDURES WITHOUT PRINCIPAL DIAGNOSIS OF INFECTION WITHOUT CC/MCC | 1.3122 |
All FY2027 MS-DRGs · MDC 08