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    OpenPayerBilling CodesDiseases and Disorders of the Musculoskeletal System and Connective TissueDRG 430-combined-anterior-and-posterior-cervical-spinal-fusion-without-mcc
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    Combined Anterior and Posterior Cervical Spinal Fusion without MCC: Inpatient Reimbursement Overview

    DRG 430 encompasses combined anterior and posterior cervical spinal fusion admissions without a Major Complication or Comorbidity, representing resource-intensive cervical spine surgery managed in the hospital setting. Accurate DRG assignment matters for inpatient reimbursement because it determines the Medicare prospective payment amount tied to the procedure complexity and coded comorbidity level.

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    DRG 430 Overview

    DRG 430 covers hospital admissions for combined anterior and posterior cervical spinal fusion procedures without a Major Complication or Comorbidity. This Diagnosis-Related Group captures cases involving multi-approach cervical fusion for stabilization, deformity correction, or decompression when no Major Complication or Comorbidity is coded. It matters for Medicare payment because payment is packaged to a single inpatient reimbursement that reflects the resource intensity of combined anterior-posterior cervical fusion without the higher payments associated with Major Complication or Comorbidity. Hospitals use the DRG assignment to determine the base prospective payment for the inpatient stay under Medicare.

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    Clinical Trials

    • Trials evaluating perioperative blood management and complication reduction strategies for combined anterior-posterior cervical fusion: randomized or pragmatic studies testing protocols such as multimodal blood conservation, standardized hemostatic agents, or enhanced intraoperative monitoring in adult patients undergoing same‑day combined anterior and posterior cervical fusion for multi‑level degenerative disease, trauma, or deformity. These studies focus on intraoperative and immediate postoperative outcomes (blood loss, transfusion rates, operative time, and wound/neurologic complications) because these variables drive inpatient length of stay and index hospitalization costs, making results directly relevant to surgical teams and payers aiming to reduce complications and resource use. Such research helps define best practices for perioperative care bundles that can lower short‑term morbidity and reimbursement variability for this high‑acuity DRG.
    • Comparative effectiveness trials of fusion techniques and implant strategies in combined anterior-posterior cervical procedures: prospective cohort studies or randomized device-comparison trials assessing outcomes of different graft materials, fixation constructs, or staged versus single‑session combined approaches in adults with multi‑level cervical spondylotic myelopathy, post‑laminectomy kyphosis, or complex trauma. These studies measure fusion rates, functional neurologic recovery, reoperation, hardware-related complications, and 12–24 month patient‑reported outcomes, addressing the medium‑term durability and value of surgical choices that influence readmissions and downstream costs. Results inform surgeons and payers about which technical strategies provide the best balance of clinical effectiveness and long‑term economic value for patients assigned to this DRG.
    • Post‑discharge outcomes and care pathway studies focused on rehabilitation, readmission risk, and cost‑effectiveness: observational or interventional studies evaluating early mobilization protocols, outpatient physical therapy timing, care coordination interventions, and readmission prevention programs in older adults and medically complex patients after combined anterior‑posterior cervical fusion. These trials assess 30‑ and 90‑day readmission rates, functional independence, opioid use, and total episode‑of‑care costs, providing evidence on optimal discharge planning and postacute care settings. Findings are important to hospitals and payers for designing bundled payment models and targeted transitional care to reduce costly readmissions and improve recovery for patients within this DRG.

    Related Codes

    402-SINGLE-LEVEL-COMBINED-ANTERIOR-AND-POSTERIOR-SPINAL-FUSION-EXCEPT-CERVICAL

    Single Level Combined Anterior and Posterior Spinal Fusion Except Cervical: Inpatient Reimbursement Overview

    426-MULTIPLE-LEVEL-COMBINED-ANTERIOR-AND-POSTERIOR-SPINAL-FUSION-EXCEPT-CERVICAL-WITH-MCC-OR-CUSTOM-MADE-ANATOMICALLY-DESIGNED-INTERBODY-FUSION-DEVICE

    Multiple Level Combined Anterior and Posterior Spinal Fusion Except Cervical with MCC or Custom-Made Anatomically Designed Interbody Fusion Device: Inpatient Reimbursement Overview

    427-MULTIPLE-LEVEL-COMBINED-ANTERIOR-AND-POSTERIOR-SPINAL-FUSION-EXCEPT-CERVICAL-WITH-CC

    Multiple Level Combined Anterior and Posterior Spinal Fusion Except Cervical with CC: Inpatient Reimbursement Overview

    428-MULTIPLE-LEVEL-COMBINED-ANTERIOR-AND-POSTERIOR-SPINAL-FUSION-EXCEPT-CERVICAL-WITHOUT-CC-MCC

    Multiple Level Combined Anterior and Posterior Spinal Fusion Except Cervical without CC/MCC: Inpatient Reimbursement Overview

    429-COMBINED-ANTERIOR-AND-POSTERIOR-CERVICAL-SPINAL-FUSION-WITH-MCC

    Combined Anterior and Posterior Cervical Spinal Fusion with MCC: Inpatient Reimbursement Overview

    447-MULTIPLE-LEVEL-SPINAL-FUSION-EXCEPT-CERVICAL-WITH-MCC-OR-CUSTOM-MADE-ANATOMICALLY-DESIGNED-INTERBODY-FUSION-DEVICE

    Multiple Level Spinal Fusion Except Cervical with MCC: Inpatient Reimbursement Overview

    448-MULTIPLE-LEVEL-SPINAL-FUSION-EXCEPT-CERVICAL-WITHOUT-MCC

    Multiple Level Spinal Fusion Except Cervical without MCC: Inpatient Reimbursement Overview

    450-SINGLE-LEVEL-SPINAL-FUSION-EXCEPT-CERVICAL-WITH-MCC-OR-CUSTOM-MADE-ANATOMICALLY-DESIGNED-INTERBODY-FUSION-DEVICE

    Single Level Spinal Fusion Except Cervical with MCC or Custom-Made Device: Inpatient Reimbursement Overview

    451-SINGLE-LEVEL-SPINAL-FUSION-EXCEPT-CERVICAL-WITHOUT-MCC

    Single Level Spinal Fusion Except Cervical without MCC: Inpatient Reimbursement Overview

    456-SPINAL-FUSION-EXCEPT-CERVICAL-WITH-SPINAL-CURVATURE-MALIGNANCY-INFECTION-OR-EXTENSIVE-FUSIONS-WITH-MCC

    Spinal Fusion Except Cervical with 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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