MS-DRG 847Medical

Chemotherapy without Acute Leukemia as Secondary Diagnosis with CC

Major Diagnostic Category 17·Grouped by diagnosis·FY 2027

MS-DRG 847 is a Medical Medicare Severity Diagnosis Related Group under Major Diagnostic Category 17 (MDC 17) with a Complication or Comorbidity (CC). It maps to 3 ICD-10-CM diagnosis codes. For FY 2027 it carries a relative weight of 1.3490 with a geometric mean length of stay of 3.7 days and an arithmetic mean of 4.3 days. Hospitals use this grouping to determine reimbursement for inpatient stays under Medicare.

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FY 2027 payment data

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

Relative weight:
1.3490 (payment multiplier vs. the average case (1.0))
Geometric mean stay:
3.7 days (used for transfer payments)
Average stay:
4.3 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
846Chemotherapy without Acute Leukemia as Secondary Diagnosis with MCC2.53025.6 days
847Chemotherapy without Acute Leukemia as Secondary Diagnosis with CC (this page)1.34903.7 days
848Chemotherapy without Acute Leukemia as Secondary Diagnosis without CC/MCC0.77562.6 days

Diagnosis codes (3)

As the principal diagnosis, these ICD-10-CM codes can group to DRG 847. 100% of the codes listed are billable.