MCMedicalCodingSoftware
846

MS-DRG 846: CHEMOTHERAPY WITHOUT ACUTE LEUKEMIA AS SECONDARY DIAGNOSIS WITH MCC

DRGMedicalMDC 17

MS-DRG 846 is chemotherapy without acute leukemia as secondary diagnosis with mcc, in MDC 17 (a medical DRG), at the with-MCC (major complication or comorbidity) level. Its FY2027 relative weight is 2.5302, so a case here pays more than the average Medicare inpatient stay (weight 1.0), with a geometric mean length of stay of 5.60 days. 3 ICD-10-CM principal diagnoses group into MS-DRGs 846–848 under the CMS definitions manual; the most-searched are listed below.

FY2027 payment factors

Relative weight
2.5302
Geometric mean LOS
5.60
Arithmetic mean LOS
7.50
Post-acute transfer
No

Principal diagnoses that group to MS-DRGs 846–848

From the CMS MS-DRG definitions manual’s principal-diagnosis index: 3 ICD-10-CM codes route here, and the CC/MCC status of the secondary diagnoses decides which of 846–848 the case lands in. The 3 most-searched:

  • Z08Encounter for follow-up examination after completed treatment for malignant neoplasm
  • Z51.11Encounter for antineoplastic chemotherapy
  • Z51.12Encounter for antineoplastic immunotherapy

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 846.

846CHEMOTHERAPY WITHOUT ACUTE LEUKEMIA AS SECONDARY DIAGNOSIS WITH MCC2.5302
847CHEMOTHERAPY WITHOUT ACUTE LEUKEMIA AS SECONDARY DIAGNOSIS WITH CC1.3490-1.1812
848CHEMOTHERAPY WITHOUT ACUTE LEUKEMIA AS SECONDARY DIAGNOSIS WITHOUT CC/MCC0.7756-1.7546

All FY2027 MS-DRGs · MDC 17

MS-DRG (IPPS Table 5)FY2027