MS-DRG 946: REHABILITATION WITHOUT CC/MCC
MS-DRG 946 is rehabilitation without cc/mcc, in MDC 23 (a medical DRG), at the without-CC/MCC level. Its FY2027 relative weight is 1.1051, so a case here pays more than the average Medicare inpatient stay (weight 1.0), with a geometric mean length of stay of 4.00 days. 2 ICD-10-CM principal diagnoses group into MS-DRGs 945–946 under the CMS definitions manual; the most-searched are listed below.
FY2027 payment factors
- Relative weight
- 1.1051
- Geometric mean LOS
- 4.00
- Arithmetic mean LOS
- 5.30
- 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.
Principal diagnoses that group to MS-DRGs 945–946
From the CMS MS-DRG definitions manual’s principal-diagnosis index: 2 ICD-10-CM codes route here, and the CC/MCC status of the secondary diagnoses decides which of 945–946 the case lands in. The 2 most-searched:
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 946.
| 945 | REHABILITATION WITH CC/MCC | 1.4749 | +0.3698 |
| 946 | REHABILITATION WITHOUT CC/MCC | 1.1051 |
All FY2027 MS-DRGs · MDC 23