All ICD10 Codes
MS-DRG 839Medical

Chemotherapy with Acute Leukemia as Secondary Diagnosis without CC/MCC

Major Diagnostic Category 17·Grouped by diagnosis·FY 2027

MS-DRG 839 is a Medical Medicare Severity Diagnosis Related Group under Major Diagnostic Category 17 (MDC 17) without a significant Complication or Comorbidity. It maps to 36 ICD-10-CM diagnosis codes. For FY 2027 it carries a relative weight of 1.3782 with a geometric mean length of stay of 3.7 days and an arithmetic mean of 4.2 days. Hospitals use this grouping to determine reimbursement for inpatient stays under Medicare.

Advertisements

FY 2027 payment data

From Table 5 of the FY 2027 IPPS Final Rule (CMS).

Relative weight:
1.3782 (payment multiplier vs. the average case (1.0))
Geometric mean stay:
3.7 days (used for transfer payments)
Average stay:
4.2 days (arithmetic mean)
Post-acute transfer policy:
No (not subject to it)

Same condition, other severity levels

CMS splits one condition into separate DRGs by how sick the patient is. With MCC pays more than with CC, which pays more than without CC/MCC.

DRGTitleRelative weightMean stay
837Chemotherapy with Acute Leukemia as Secondary Diagnosis or with High Dose Chemotherapy Agent with MCC4.712410 days
838Chemotherapy with Acute Leukemia as Secondary Diagnosis with CC or High Dose Chemotherapy Agent2.15855 days
839Chemotherapy with Acute Leukemia as Secondary Diagnosis without CC/MCC (this page)1.37823.7 days

Diagnosis codes (36)

As the principal diagnosis, these ICD-10-CM codes can group to DRG 839. 100% of the codes listed are billable.