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    v1.0.28
    OpenPayerBilling CodesDiseases and Disorders of the Nervous SystemDRG 059-multiple-sclerosis-and-cerebellar-ataxia-with-cc
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    Multiple Sclerosis and Cerebellar Ataxia with CC: Inpatient Reimbursement Overview

    DRG 059 encompasses inpatient admissions for Multiple Sclerosis and Cerebellar Ataxia with a Complication or Comorbidity, focusing on neurologic impairment that increases treatment complexity. This Diagnosis-Related Group matters for inpatient reimbursement because the Complication or Comorbidity status impacts Centers for Medicare & Medicaid Services payment classification and hospital payment levels.

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    DRG 059 Overview

    DRG 059 covers inpatient encounters for patients with Multiple Sclerosis and Cerebellar Ataxia when a Complication or Comorbidity is present, reflecting care for neurologic dysfunction that increases resource use. This Diagnosis-Related Group is relevant for Medicare payment because the presence of a Complication or Comorbidity affects payment level and hospital reimbursement under Centers for Medicare & Medicaid Services inpatient prospective payment rules. Typical clinical issues include acute exacerbations, mobility and coordination impairments, or secondary complications requiring medical, rehabilitative, or supportive care. Accurate clinical documentation and coding of the principal diagnosis and any Complication or Comorbidity determine assignment to this Diagnosis-Related Group.

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    Clinical Trials

    • Acute relapse management studies: randomized or observational trials testing short-duration inpatient interventions (for example, different corticosteroid dosing regimens, plasma exchange timing, or rapid-sequence rehabilitation protocols) aimed at hastening recovery from acute exacerbations of multiple sclerosis or new-onset cerebellar ataxia symptoms. These studies enroll hospitalized patients with acute neurologic decline or disabling cerebellar dysfunction to define which acute therapies reduce length of stay, complication rates, and early neurologic disability. Results are directly relevant to hospital providers and payers because they inform in-hospital care pathways, resource utilization, and potential reductions in costly readmissions.
    • Comparative effectiveness and care-pathway trials for inpatient complication management: pragmatic studies comparing multidisciplinary inpatient models (neurology-led stroke-like admission units, early physical/occupational therapy initiation, standardized dysphagia and respiratory monitoring) versus usual care for patients with MS or cerebellar ataxia complicated by falls, aspiration risk, or severe gait/coordination impairment. These trials focus on hospitalized patients with comorbidities or complications (the CC population) to determine which organizational approaches or supportive therapies decrease complications, shorten rehabilitation needs, and improve functional status at discharge. Findings help payers and hospital administrators allocate staffing, justify bundled payments or DRG-based care pathways, and reduce downstream costs from complications.
    • Post-discharge outcomes and health services research: prospective cohort studies and pragmatic trials that follow patients after discharge to evaluate rates of readmission, outpatient neurology follow-up, adherence to secondary prevention strategies, and long-term functional trajectories for those hospitalized with MS or cerebellar ataxia with complications. These studies often stratify by severity, comorbidity burden, and discharge disposition (home vs. skilled nursing facility) to identify predictors of costly readmission or prolonged disability and to test transitional-care interventions. This research is important to providers and payers because it identifies high-risk subgroups, informs discharge planning and case management investments, and supports interventions that may reduce avoidable utilization tied to this DRG.

    Related Codes

    020-INTRACRANIAL-VASCULAR-PROCEDURES-WITH-PRINCIPAL-DIAGNOSIS-HEMORRHAGE-WITH-MCC

    Intracranial Vascular Procedures with Principal Diagnosis Hemorrhage with MCC: Inpatient Reimbursement Overview

    021-INTRACRANIAL-VASCULAR-PROCEDURES-WITH-PRINCIPAL-DIAGNOSIS-HEMORRHAGE-WITH-CC

    Intracranial Vascular Procedures with Principal Diagnosis Hemorrhage with CC: Inpatient Reimbursement Overview

    022-INTRACRANIAL-VASCULAR-PROCEDURES-WITH-PRINCIPAL-DIAGNOSIS-HEMORRHAGE-WITHOUT-CC-MCC

    Intracranial Vascular Procedures with Principal Diagnosis Hemorrhage without CC/MCC: Inpatient Reimbursement Overview

    023-CRANIOTOMY-WITH-MAJOR-DEVICE-IMPLANT-OR-ACUTE-COMPLEX-CNS-PRINCIPAL-DIAGNOSIS-WITH-MCC-OR-ANTINEOPLASTIC-IMPLANT-OR-EPILEPSY-WITH-NEUROSTIMULATOR

    Craniotomy with Major Device Implant or Complex CNS DRG 023: Inpatient Reimbursement Overview

    024-CRANIOTOMY-WITH-MAJOR-DEVICE-IMPLANT-OR-ACUTE-COMPLEX-CNS-PRINCIPAL-DIAGNOSIS-WITHOUT-MCC

    Craniotomy with Major Device Implant or Acute Complex CNS Principal Diagnosis without MCC: Inpatient Reimbursement Overview

    025-CRANIOTOMY-AND-ENDOVASCULAR-INTRACRANIAL-PROCEDURES-WITH-MCC

    Craniotomy and Endovascular Intracranial Procedures with MCC: Inpatient Reimbursement Overview

    026-CRANIOTOMY-AND-ENDOVASCULAR-INTRACRANIAL-PROCEDURES-WITH-CC

    Craniotomy and Endovascular Intracranial Procedures with CC: Inpatient Reimbursement Overview

    027-CRANIOTOMY-AND-ENDOVASCULAR-INTRACRANIAL-PROCEDURES-WITHOUT-CC-MCC

    Craniotomy and Endovascular Intracranial Procedures without CC/MCC: Inpatient Reimbursement Overview

    028-SPINAL-PROCEDURES-WITH-MCC

    Spinal Procedures with MCC: Inpatient Reimbursement Overview

    029-SPINAL-PROCEDURES-WITH-CC-OR-SPINAL-NEUROSTIMULATORS

    Spinal Procedures with CC or Spinal Neurostimulators: 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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