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CPT 22843: Posterior Spinal Instrumentation, 7–12 Levels
CPT code 22843 denotes posterior spinal instrumentation across seven to twelve vertebral segments performed to correct spinal deformity during spinal fusion or arthrodesis. This code captures a complex, multilevel operative service that has implications for surgical planning, resource use, and payer reimbursement policies nationally. It is typically billed for extensive posterior spinal fusion procedures in an operating room or ambulatory surgery center setting.
Key payers in national coverage analyses include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare and Medicare. Readers will find a concise synthesis of what the code represents clinically, how payers commonly approach coverage and bundling for multilevel posterior instrumentation, and what benchmarks and policy factors are relevant for revenue cycle and compliance teams.
The publication provides clinical context for when 22843 is used, highlights common billing and coding considerations for multilevel posterior instrumentation, and outlines the types of benchmarks and policy updates that stakeholders track for this service. Data not available in the input.
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Billing Code Overview
CPT code 22843 describes the surgical placement of spinal instrumentation from the posterior (back) approach spanning seven to twelve vertebral segments to correct a spinal deformity as part of a spinal fusion or arthrodesis procedure.
Service type: Spinal instrumentation/arthrodesis procedure, posterior approach
Typical site of service: Hospital operating room or ambulatory surgery center, where complex spine surgeries such as multilevel posterior spinal fusion are performed.
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