853
MS-DRG 853: INFECTIOUS AND PARASITIC DISEASES WITH O.R. PROCEDURES WITH MCC
DRGSurgicalMDC 18
MS-DRG 853 is infectious and parasitic diseases with o.r. procedures with mcc, in MDC 18 (a surgical DRG), at the with-MCC (major complication or comorbidity) level. Its FY2027 relative weight is 4.9306, so a case here pays more than the average Medicare inpatient stay (weight 1.0), with a geometric mean length of stay of 9.20 days.
FY2027 payment factors
- Relative weight
- 4.9306
- Geometric mean LOS
- 9.20
- Arithmetic mean LOS
- 12.20
- 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 853.
| 853 | INFECTIOUS AND PARASITIC DISEASES WITH O.R. PROCEDURES WITH MCC | 4.9306 | |
| 854 | INFECTIOUS AND PARASITIC DISEASES WITH O.R. PROCEDURES WITH CC | 2.0095 | -2.9211 |
| 855 | INFECTIOUS AND PARASITIC DISEASES WITH O.R. PROCEDURES WITHOUT CC/MCC | 1.4510 | -3.4796 |
All FY2027 MS-DRGs · MDC 18