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    v1.0.30
    OpenPayerBilling CodesDiseases and Disorders of the Nervous SystemDRG 020-intracranial-vascular-procedures-with-principal-diagnosis-hemorrhage-with-mcc
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    Intracranial Vascular Procedures with Principal Diagnosis Hemorrhage with MCC: Inpatient Reimbursement Overview

    DRG 020 groups admissions for intracranial vascular procedures with a principal diagnosis of intracranial hemorrhage accompanied by a Major Complication or Comorbidity, reflecting high-acuity neurosurgical care. This classification matters for inpatient reimbursement because the Major Complication or Comorbidity designation increases expected resource use and payment under Medicare Severity Diagnosis-Related Group methodology.

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    DRG 020 Overview

    DRG 020 covers inpatient stays for intracranial vascular procedures performed when the principal diagnosis is intracranial hemorrhage with Major Complication or Comorbidity. These cases typically include surgical or endovascular interventions for ruptured cerebral aneurysms, arteriovenous malformations, or other hemorrhagic vascular lesions complicated by significant physiological derangement. This Diagnosis-Related Group is important for Medicare payment because the presence of a Major Complication or Comorbidity increases resource intensity and therefore influences reimbursement levels under Medicare Severity Diagnosis-Related Group payment rules.

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    Clinical Trials

    • Acute endovascular intervention trials: randomized or prospective registry studies evaluating timing, techniques, and periprocedural management of endovascular procedures (e.g., coiling, flow diversion, or embolization adjuncts) performed for intracranial hemorrhage due to ruptured cerebral aneurysms or vascular malformations. These studies focus on the immediate inpatient period, enrolling adults who present with subarachnoid or intracerebral hemorrhage requiring urgent intracranial vascular procedures, and assess procedural success, rebleeding rates, and early neurologic outcomes. Results inform surgical and interventional practice patterns and are directly relevant to providers and payers because they influence resource utilization, length of stay, and complication-driven costs in this high-acuity DRG.
    • Comparative effectiveness and perioperative care studies: nonrandomized cohort studies or pragmatic trials comparing different perioperative strategies such as blood pressure management protocols, transfusion thresholds, antithrombotic reversal approaches, or intensive care unit monitoring pathways in patients undergoing intracranial vascular procedures for hemorrhagic diagnoses. These research efforts enroll medically heterogeneous patients (varying comorbidity burden and hemorrhage severity) to determine which perioperative practices reduce complications like rebleeding, vasospasm, or procedure-related infarction, and to evaluate impacts on complication rates and hospital resource use. Findings are critical for clinicians and payers to standardize care pathways that lower morbidity and cost while optimizing discharge readiness for this DRG population.
    • Post-discharge outcomes and rehabilitation studies: longitudinal observational studies and randomized rehabilitation interventions assessing functional recovery, cognitive outcomes, readmission rates, and long-term care needs among survivors of intracranial hemorrhage who underwent vascular procedures and had major complications (MCC). These studies follow patients after hospital discharge to evaluate predictors of durable independence, the effectiveness of early supported discharge or specialized neurorehabilitation, and the economic impact of ongoing care needs. Such evidence guides discharge planning, bundling/payment strategies, and investment in outpatient or home-based services that affect total cost of care and payer outcomes for patients classified under this DRG.

    Related Codes

    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

    030-SPINAL-PROCEDURES-WITHOUT-CC-MCC

    Spinal Procedures without CC/MCC: 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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