All ICD10 Codes

DRG 834

Medical DRG

Acute Leukemia with MCC

TypeMedicalMDC17Dx Codes33

What is MS-DRG 834?

MS-DRG 834 is a Medical Medicare Severity Diagnosis Related Group under Major Diagnostic Category 17 (MDC 17) with a Major Complication or Comorbidity (MCC). It maps to 33 ICD-10-CM diagnosis codes. For FY 2026 it carries a relative weight of 5.4899 with a geometric mean length of stay of 9.6 days and an arithmetic mean of 15.4 days. Hospitals use this grouping to determine reimbursement for inpatient stays under Medicare.

Classification
Medical DRG
Diagnosis-driven grouping
MDC
Major Diagnostic Category 17
Linked Codes
33 diagnosis
Billable Dx
100%
33 of 33 shown

FY 2026 Payment Data

Official values from Table 5 of the FY 2026 IPPS Final Rule (CMS).

Relative Weight
5.4899
Payment multiplier vs. average case (1.0)
Geometric Mean LOS
9.6 days
Used for transfer payment calculations
Arithmetic Mean LOS
15.4 days
Average length of stay
Post-Acute Transfer
No
Not subject to the transfer policy

Related MS-DRGs in This Severity Group

The same clinical condition is split into separate DRGs by complication severity. MCC pays more than CC, which pays more than no CC/MCC.

DRGTitleRel. WeightGMLOS
834Acute Leukemia with MCCThis page5.48999.6 days
835Acute Leukemia with CC2.08584.4 days
836Acute Leukemia without CC/MCC1.21952.9 days

Linked ICD-10-CM Diagnosis Mappings

  • C91.00

    Acute lymphoblastic leukemia not having achieved remission

    BillableChapter 2
  • C91.01

    Acute lymphoblastic leukemia, in remission

    BillableChapter 2
  • C91.02

    Acute lymphoblastic leukemia, in relapse

    BillableChapter 2
  • C92.00

    Acute myeloblastic leukemia, not having achieved remission

    BillableChapter 2
  • C92.01

    Acute myeloblastic leukemia, in remission

    BillableChapter 2
  • C92.02

    Acute myeloblastic leukemia, in relapse

    BillableChapter 2
  • C92.40

    Acute promyelocytic leukemia, not having achieved remission

    BillableChapter 2
  • C92.41

    Acute promyelocytic leukemia, in remission

    BillableChapter 2
  • C92.42

    Acute promyelocytic leukemia, in relapse

    BillableChapter 2
  • C92.50

    Acute myelomonocytic leukemia, not having achieved remission

    BillableChapter 2
  • C92.51

    Acute myelomonocytic leukemia, in remission

    BillableChapter 2
  • C92.52

    Acute myelomonocytic leukemia, in relapse

    BillableChapter 2
  • C92.60

    Acute myeloid leukemia with 11q23-abnormality not having achieved remission

    BillableChapter 2
  • C92.61

    Acute myeloid leukemia with 11q23-abnormality in remission

    BillableChapter 2
  • C92.62

    Acute myeloid leukemia with 11q23-abnormality in relapse

    BillableChapter 2
  • C92.A0

    Acute myeloid leukemia with multilineage dysplasia, not having achieved remission

    BillableChapter 2
  • C92.A1

    Acute myeloid leukemia with multilineage dysplasia, in remission

    BillableChapter 2
  • C92.A2

    Acute myeloid leukemia with multilineage dysplasia, in relapse

    BillableChapter 2
  • C93.00

    Acute monoblastic/monocytic leukemia, not having achieved remission

    BillableChapter 2
  • C93.01

    Acute monoblastic/monocytic leukemia, in remission

    BillableChapter 2
  • C93.02

    Acute monoblastic/monocytic leukemia, in relapse

    BillableChapter 2
  • C94.00

    Acute erythroid leukemia, not having achieved remission

    BillableChapter 2
  • C94.01

    Acute erythroid leukemia, in remission

    BillableChapter 2
  • C94.02

    Acute erythroid leukemia, in relapse

    BillableChapter 2
  • C94.20

    Acute megakaryoblastic leukemia not having achieved remission

    BillableChapter 2
  • C94.21

    Acute megakaryoblastic leukemia, in remission

    BillableChapter 2
  • C94.22

    Acute megakaryoblastic leukemia, in relapse

    BillableChapter 2
  • C94.40

    Acute panmyelosis with myelofibrosis not having achieved remission

    BillableChapter 2
  • C94.41

    Acute panmyelosis with myelofibrosis, in remission

    BillableChapter 2
  • C94.42

    Acute panmyelosis with myelofibrosis, in relapse

    BillableChapter 2
  • C95.00

    Acute leukemia of unspecified cell type not having achieved remission

    BillableChapter 2
  • C95.01

    Acute leukemia of unspecified cell type, in remission

    BillableChapter 2
  • C95.02

    Acute leukemia of unspecified cell type, in relapse

    BillableChapter 2