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    v1.0.28
    OpenPayerBilling CodesDiseases and Disorders of the Nervous SystemDRG 075-viral-meningitis-with-cc-mcc
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    Viral Meningitis with CC/MCC: Inpatient Reimbursement Overview

    DRG 075 encompasses inpatient stays for viral meningitis when a Complication or Comorbidity or Major Complication or Comorbidity is present, defining the clinical scope for reimbursement. Proper assignment matters because the Classification impacts Centers for Medicare & Medicaid Services payment by reflecting increased resource intensity associated with complications.

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    DRG 075 Overview

    DRG 075 covers inpatient admissions for viral meningitis when a Complication or Comorbidity or a Major Complication or Comorbidity is present. Viral meningitis is an inflammation of the meninges caused by viral pathogens and typically requires inpatient evaluation for neurologic status, supportive care, and sometimes antiviral therapy. This Diagnosis-Related Group is important for Centers for Medicare & Medicaid Services payment because the presence of Complication or Comorbidity or Major Complication or Comorbidity affects relative resource use and reimbursement. Accurate clinical documentation and coding of complications drive correct assignment to DRG 075 and corresponding payment.

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    Clinical Trials

    • Acute antiviral and supportive care interventions: randomized controlled or pragmatic trials testing timing, dosing, or adjunctive therapies for patients hospitalized with confirmed viral meningitis (e.g., enteroviral or HSV-associated cases), focusing on short-term neurological outcomes, time to clinical stabilization, and length of stay. Studies enroll adults and children admitted emergently with CSF-confirmed viral meningitis to evaluate interventions used during the inpatient episode, which is directly relevant to DRG 075 because acute inpatient management drives resource utilization and reimbursement. These trials inform providers and payers about which inpatient strategies shorten hospitalization, reduce complications, and justify specific resource allocation.
    • Comparative effectiveness and diagnostic strategy studies: prospective cohort studies or randomized diagnostic trials comparing rapid molecular CSF testing, targeted PCR panels, and conventional testing strategies to determine pathogen identification rates, antibiotic/antiviral use, and impact on isolation, imaging, and length of stay. Patient populations include those with suspected aseptic meningitis across age groups presenting to emergency departments and admitted to medical wards; the clinical question is whether faster definitive diagnosis reduces unnecessary broad-spectrum antibiotic exposure, ancillary testing, and inpatient costs. Results are highly relevant to hospitals and payers because improved diagnostics can change coding accuracy, reduce CC/MCC incidence through fewer complications, and optimize utilization patterns for DRG reimbursement.
    • Post-discharge outcomes and health services research: longitudinal observational studies examining functional recovery, neurocognitive sequelae, readmission rates, outpatient care needs, and total cost of care for patients after hospitalization for viral meningitis, stratified by age, comorbidity, and severity indicators. These studies follow patients from discharge through months to a year to quantify disability, rehabilitation needs, and healthcare resource use that influence bundled payment models and case-mix adjustments. Payers and providers use this evidence to design discharge planning, follow-up pathways, and rehabilitation services that may reduce readmissions and inform appropriate DRG-level risk adjustment and reimbursement policy.

    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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