166
MS-DRG 166: OTHER RESPIRATORY SYSTEM O.R. PROCEDURES WITH MCC
DRGSurgicalMDC 04
MS-DRG 166 is other respiratory system o.r. procedures with mcc, in MDC 04 (a surgical DRG), at the with-MCC (major complication or comorbidity) level. Its FY2027 relative weight is 3.8736, so a case here pays more than the average Medicare inpatient stay (weight 1.0), with a geometric mean length of stay of 7.60 days.
FY2027 payment factors
- Relative weight
- 3.8736
- Geometric mean LOS
- 7.60
- Arithmetic mean LOS
- 10.50
- 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 166.
| 166 | OTHER RESPIRATORY SYSTEM O.R. PROCEDURES WITH MCC | 3.8736 | |
| 167 | OTHER RESPIRATORY SYSTEM O.R. PROCEDURES WITH CC | 1.8244 | -2.0492 |
| 168 | OTHER RESPIRATORY SYSTEM O.R. PROCEDURES WITHOUT CC/MCC | 1.3896 | -2.4840 |
All FY2027 MS-DRGs · MDC 04