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  3. Diagnosis Codes in MS-DRG 837 - Chemotherapy With Acute Leukemia As Secondary Diagnosis Or With High Dose Chemotherapy Agent With MCC

Diagnosis Codes in MS-DRG 837 - Chemotherapy With Acute Leukemia As Secondary Diagnosis Or With High Dose Chemotherapy Agent With MCC

The Medicare Severity Diagnosis-Related Group (MS-DRG) is a patient classification system used to categorize hospital cases based on clinical similarity and expected resource use. MS-DRGs organize all possible principal diagnoses into mutually exclusive groups known as Major Diagnostic Categories (MDCs), which help determine reimbursement under the Medicare Inpatient Prospective Payment System.

This section lists the diagnosis codes included in MS-DRG V42.0: Chemotherapy with Acute Leukemia as Secondary Diagnosis or with High Dose Chemotherapy Agent with MCC from October 1, 2024, through September 30, 2025.

MS-DRG: 837

MS-DRG Title: Chemotherapy with Acute Leukemia as Secondary Diagnosis or with High Dose Chemotherapy Agent with MCC

MCD: 17

Relative Weight: 5.0068 Relative Weight
The relative weight of a diagnostic related group determines the reimbursement rate based on the severity of a patient's illness and the associated cost of care during hospitalization.

Geometric LOS: 5.01 Geometric Length of Stay
The geometric mean length of stay (GMLOS) is used by Medicare to calculate the reimbursement for patients whose medical treatment takes a much longer or shorter time than average.

Arithmetic LOS: 10.40 Arithmetic Length of Stay
The average length of stay (ALOS) reflects the average number of days a patient spends in a hospital for each admission.

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    • Z08 - Encounter for follow-up examination after completed treatment for malignant neoplasm

  • C91.0 - Acute lymphoblastic leukemia [ALL]

    • C91.00 - Acute lymphoblastic leukemia not having achieved remission

    • C91.01 - Acute lymphoblastic leukemia, in remission

    • C91.02 - Acute lymphoblastic leukemia, in relapse

  • C92.0 - Acute myeloblastic leukemia

    • C92.00 - Acute myeloblastic leukemia, not having achieved remission

    • C92.01 - Acute myeloblastic leukemia, in remission

    • C92.02 - Acute myeloblastic leukemia, in relapse

  • C92.4 - Acute promyelocytic leukemia

    • C92.40 - Acute promyelocytic leukemia, not having achieved remission

    • C92.41 - Acute promyelocytic leukemia, in remission

    • C92.42 - Acute promyelocytic leukemia, in relapse

  • C92.5 - Acute myelomonocytic leukemia

    • C92.50 - Acute myelomonocytic leukemia, not having achieved remission

    • C92.51 - Acute myelomonocytic leukemia, in remission

    • C92.52 - Acute myelomonocytic leukemia, in relapse

  • C92.6 - Acute myeloid leukemia with 11q23-abnormality

    • C92.60 - Acute myeloid leukemia with 11q23-abnormality not having achieved remission

    • C92.61 - Acute myeloid leukemia with 11q23-abnormality in remission

    • C92.62 - Acute myeloid leukemia with 11q23-abnormality in relapse

  • C92.A - Acute myeloid leukemia with multilineage dysplasia

    • C92.A0 - Acute myeloid leukemia with multilineage dysplasia, not having achieved remission

    • C92.A1 - Acute myeloid leukemia with multilineage dysplasia, in remission

    • C92.A2 - Acute myeloid leukemia with multilineage dysplasia, in relapse

  • C93.0 - Acute monoblastic/monocytic leukemia

    • C93.00 - Acute monoblastic/monocytic leukemia, not having achieved remission

    • C93.01 - Acute monoblastic/monocytic leukemia, in remission

    • C93.02 - Acute monoblastic/monocytic leukemia, in relapse

  • C94.0 - Acute erythroid leukemia

    • C94.00 - Acute erythroid leukemia, not having achieved remission

    • C94.01 - Acute erythroid leukemia, in remission

    • C94.02 - Acute erythroid leukemia, in relapse

  • C94.2 - Acute megakaryoblastic leukemia

    • C94.20 - Acute megakaryoblastic leukemia not having achieved remission

    • C94.21 - Acute megakaryoblastic leukemia, in remission

    • C94.22 - Acute megakaryoblastic leukemia, in relapse

  • C94.4 - Acute panmyelosis with myelofibrosis

    • C94.40 - Acute panmyelosis with myelofibrosis not having achieved remission

    • C94.41 - Acute panmyelosis with myelofibrosis, in remission

    • C94.42 - Acute panmyelosis with myelofibrosis, in relapse

  • C95.0 - Acute leukemia of unspecified cell type

    • C95.00 - Acute leukemia of unspecified cell type not having achieved remission

    • C95.01 - Acute leukemia of unspecified cell type, in remission

    • C95.02 - Acute leukemia of unspecified cell type, in relapse

  • Z51.1 - Encounter for antineoplastic chemotherapy and immunotherapy

    • Z51.11 - Encounter for antineoplastic chemotherapy

    • Z51.12 - Encounter for antineoplastic immunotherapy