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    v1.0.28
    OpenPayerBilling CodesMyeloproliferative Diseases and Disorders, Poorly Differentiated NeoplasmsDRG 836-acute-leukemia-without-cc-mcc
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    Acute Leukemia without CC/MCC: Inpatient Reimbursement Overview

    DRG 836 encompasses inpatient admissions for acute leukemia without Complication or Comorbidity or Major Complication or Comorbidity and represents lower-severity leukemia hospitalizations. Correct classification affects prospective Medicare payment for the admission by determining the payment weight assigned to the case.

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    DRG 836 Overview

    DRG 836 covers hospital inpatient admissions for patients with acute leukemia when there are no documented Complication or Comorbidity and no Major Complication or Comorbidity. This category groups cases with primary treatment and management of acute leukemia where resource use is relatively lower than cases with additional complications. It matters for Medicare payment because grouping determines the prospective payment amount and influences hospital reimbursement for these straightforward acute leukemia admissions. Accurate coding of comorbidities and complications directly affects whether an admission is classified to this Diagnosis-Related Group.

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    Clinical Trials

    • Early induction therapy optimization studies: trials focusing on refining initial in-hospital induction regimens and supportive care protocols for adults with newly diagnosed acute leukemia who do not have major complications or comorbidities. These studies enroll patients at the time of first presentation to evaluate differences in regimen intensity, timing of transfusions, infection prophylaxis strategies, and inpatient monitoring pathways to reduce length of stay and early treatment-related morbidity. Results directly inform hospital protocols, resource utilization, and short-term cost drivers that affect DRG payments and throughput.
    • Comparative effectiveness studies of consolidation and post-remission inpatient management: research comparing different consolidation approaches, inpatient administration schedules, or hospitalization thresholds for patients who have achieved remission after induction but still require further cytotoxic therapy or close monitoring. These trials typically include patients with standard-risk profiles without major CC/MCC and assess outcomes such as relapse rates, inpatient days, readmission frequency, and adverse event rates. Findings help clinicians and payers identify strategies that balance effectiveness with reduced inpatient utilization and lower total episode-of-care costs.
    • Post-discharge outcomes and transitional care interventions: prospective studies evaluating early post-discharge monitoring, outpatient transfusion or outpatient antimicrobial support, and readmission prevention programs for patients discharged after induction or consolidation without severe comorbidities. These studies enroll recently discharged patients to test care coordination, telehealth follow-up, and outpatient symptom-management pathways to detect complications early and avoid costly readmissions. Results are relevant to hospitals and payers seeking to improve 30-day outcomes, reduce readmissions that impact reimbursement, and optimize resource allocation across the inpatient–outpatient continuum.

    Related Codes

    820-LYMPHOMA-AND-LEUKEMIA-WITH-MAJOR-O-R-PROCEDURES-WITH-MCC

    Lymphoma and Leukemia with Major O.R. Procedures with MCC: Inpatient Reimbursement Overview

    821-LYMPHOMA-AND-LEUKEMIA-WITH-MAJOR-O-R-PROCEDURES-WITH-CC

    Lymphoma and Leukemia with Major O.R. Procedures with CC: Inpatient Reimbursement Overview

    822-LYMPHOMA-AND-LEUKEMIA-WITH-MAJOR-O-R-PROCEDURES-WITHOUT-CC-MCC

    Lymphoma and Leukemia with Major O.R. Procedures without CC/MCC: Inpatient Reimbursement Overview

    823-LYMPHOMA-AND-NON-ACUTE-LEUKEMIA-WITH-OTHER-PROCEDURES-WITH-MCC

    Lymphoma and Non-Acute Leukemia with Other Procedures with MCC: Inpatient Reimbursement Overview

    824-LYMPHOMA-AND-NON-ACUTE-LEUKEMIA-WITH-OTHER-PROCEDURES-WITH-CC

    Lymphoma and Non-Acute Leukemia with Other Procedures with CC: Inpatient Reimbursement Overview

    825-LYMPHOMA-AND-NON-ACUTE-LEUKEMIA-WITH-OTHER-PROCEDURES-WITHOUT-CC-MCC

    Lymphoma and Non-Acute Leukemia with Other Procedures without CC/MCC: Inpatient Reimbursement Overview

    826-MYELOPROLIFERATIVE-DISORDERS-OR-POORLY-DIFFERENTIATED-NEOPLASMS-WITH-MAJOR-O-R-PROCEDURES-WITH-MCC

    Myeloproliferative Disorders or Poorly Differentiated Neoplasms with Major O.R. Procedures with MCC: Inpatient Reimbursement Overview

    827-MYELOPROLIFERATIVE-DISORDERS-OR-POORLY-DIFFERENTIATED-NEOPLASMS-WITH-MAJOR-O-R-PROCEDURES-WITH-CC

    Myeloproliferative Disorders or Poorly Differentiated Neoplasms with Major O.R. Procedures with CC: Inpatient Reimbursement Overview

    828-MYELOPROLIFERATIVE-DISORDERS-OR-POORLY-DIFFERENTIATED-NEOPLASMS-WITH-MAJOR-O-R-PROCEDURES-WITHOUT-CC-MCC

    Myeloproliferative Disorders or Poorly Differentiated Neoplasms: Inpatient Reimbursement Overview

    829-MYELOPROLIFERATIVE-DISORDERS-OR-POORLY-DIFFERENTIATED-NEOPLASMS-WITH-OTHER-PROCEDURES-WITH-CC-MCC

    Myeloproliferative Disorders or Poorly Differentiated Neoplasms: Inpatient Reimbursement Overview

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    References

    1. 1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
    2. 2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
    3. 3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.
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