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CPT 22842: Posterior Spinal Instrumentation, 3–6 Levels
CPT code 22842 covers posterior spinal instrumentation across three to six vertebral segments used to correct spinal deformity during spinal fusion or arthrodesis. This operative code is central to complex spine surgery billing and influences facility and physician reimbursement for stabilizing constructs that span multiple levels. Nationally, use of instrumentation codes like 22842 affects surgical case mix, device utilization, and cost profiles in spine care.
Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. The analysis addresses payer coverage considerations and common clinical contexts for the code.
Readers will find a concise overview of clinical indications and typical sites of service, a summary of common modifiers associated with this procedure, and guidance on where 22842 fits within spinal fusion service lines. The publication also outlines benchmarking and policy-related topics relevant to hospitals and surgical centers, including coding relationships to adjacent instrumentation codes and the role of 22842 in multi-level fusion episodes. Data not available in the input is noted where applicable.
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Billing Code Overview
CPT code 22842 describes placement of posterior spinal instrumentation spanning three to six vertebral segments to correct a spinal deformity during procedures such as spinal fusion or arthrodesis. The service is a surgical implant procedure that stabilizes and realigns the posterior elements of the spine using rods, screws, or other fixation devices.
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Service type: Posterior spinal instrumentation for deformity correction (surgical implant fixation)
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Typical site of service: Inpatient or outpatient hospital operating room; specialized surgical centers where spinal fusion or corrective spinal surgery is performed.