855
MS-DRG 855: INFECTIOUS AND PARASITIC DISEASES WITH O.R. PROCEDURES WITHOUT CC/MCC
DRGSurgicalMDC 18
MS-DRG 855 is infectious and parasitic diseases with o.r. procedures without cc/mcc, in MDC 18 (a surgical DRG), at the without-CC/MCC level. Its FY2027 relative weight is 1.4510, so a case here pays more than the average Medicare inpatient stay (weight 1.0), with a geometric mean length of stay of 3.20 days.
FY2027 payment factors
- Relative weight
- 1.4510
- Geometric mean LOS
- 3.20
- Arithmetic mean LOS
- 4.10
- 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 855.
| 853 | INFECTIOUS AND PARASITIC DISEASES WITH O.R. PROCEDURES WITH MCC | 4.9306 | +3.4796 |
| 854 | INFECTIOUS AND PARASITIC DISEASES WITH O.R. PROCEDURES WITH CC | 2.0095 | +0.5585 |
| 855 | INFECTIOUS AND PARASITIC DISEASES WITH O.R. PROCEDURES WITHOUT CC/MCC | 1.4510 |
All FY2027 MS-DRGs · MDC 18