CPT code 20902 identifies a structural bone graft procedure used to restore the integrity and function of a bony defect. This code covers grafts typically harvested from donor sites such as the fibula, iliac crest, or ribs, with the fibula often preferred for its structural properties. Nationally, structural bone grafting is a critical component of orthopedic and reconstructive surgery, affecting coverage policies, surgical practice patterns, and facility utilization.

Key payers addressed in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of clinical context and common service settings, a synthesis of payer coverage approaches, and benchmarking of utilization and reimbursement where available. The publication summarizes coding considerations relevant to surgical teams and billing staff, highlights common modifiers used in practice, and outlines areas where policy updates or payer guidance most frequently affect claims adjudication.

The report is intended for clinicians, billing professionals, and policy analysts seeking a national perspective on how CPT code 20902 is applied in practice, what payers typically cover, and which clinical and administrative factors influence reimbursement and claims processing.