999
MS-DRG 999: UNGROUPABLE
DRG**
MS-DRG 999 is ungroupable. CMS assigns it no relative weight, so it is not paid as an ordinary inpatient case.
FY2027 payment factors
- Relative weight
- –
- Geometric mean LOS
- –
- Arithmetic mean LOS
- –
- Post-acute transfer
- No