MS-DRG 289: ACUTE AND SUBACUTE ENDOCARDITIS WITH CC
MS-DRG 289 is acute and subacute endocarditis with cc, in MDC 05 (a medical DRG), at the with-CC (complication or comorbidity) level. Its FY2027 relative weight is 1.5362, so a case here pays more than the average Medicare inpatient stay (weight 1.0), with a geometric mean length of stay of 5.00 days. 5 ICD-10-CM principal diagnoses group into MS-DRGs 288–290 under the CMS definitions manual; the most-searched are listed below.
FY2027 payment factors
- Relative weight
- 1.5362
- Geometric mean LOS
- 5.00
- Arithmetic mean LOS
- 6.10
- Post-acute transfer
- Yes
CMS caps year-over-year weight decreases at 10%. Before the cap this DRG weighs 1.5154; the capped weight above is the one used for payment. 41 DRGs differ this way in FY2027.
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 288–290
From the CMS MS-DRG definitions manual’s principal-diagnosis index: 5 ICD-10-CM codes route here, and the CC/MCC status of the secondary diagnoses decides which of 288–290 the case lands in. The 5 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 289.
| 288 | ACUTE AND SUBACUTE ENDOCARDITIS WITH MCC | 2.6315 | +1.0953 |
| 289 | ACUTE AND SUBACUTE ENDOCARDITIS WITH CC | 1.5362 | |
| 290 | ACUTE AND SUBACUTE ENDOCARDITIS WITHOUT CC/MCC | 0.8367 | -0.6995 |
All FY2027 MS-DRGs · MDC 05