MCMedicalCodingSoftware
427

MS-DRG 427: MULTIPLE LEVEL COMBINED ANTERIOR AND POSTERIOR SPINAL FUSION EXCEPT CERVICAL WITH CC

DRGSurgicalMDC 08

MS-DRG 427 is multiple level combined anterior and posterior spinal fusion except cervical with cc, in MDC 08 (a surgical DRG), at the with-CC (complication or comorbidity) level. Its FY2027 relative weight is 6.7049, so a case here pays more than the average Medicare inpatient stay (weight 1.0), with a geometric mean length of stay of 3.70 days.

FY2027 payment factors

Relative weight
6.7049
Geometric mean LOS
3.70
Arithmetic mean LOS
4.40
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 427.

426MULTIPLE LEVEL COMBINED ANTERIOR AND POSTERIOR SPINAL FUSION EXCEPT CERVICAL WITH MCC9.9191+3.2142
427MULTIPLE LEVEL COMBINED ANTERIOR AND POSTERIOR SPINAL FUSION EXCEPT CERVICAL WITH CC6.7049
428MULTIPLE LEVEL COMBINED ANTERIOR AND POSTERIOR SPINAL FUSION EXCEPT CERVICAL WITHOUT CC/MCC5.9222-0.7827

All FY2027 MS-DRGs · MDC 08

MS-DRG (IPPS Table 5)FY2027