CPT code 27412 represents autologous cartilage transplantation to the knee, a surgical procedure that transplants a patient’s own cartilage to repair focal defects of the hyaline cartilage. This code matters nationally because cartilage restoration procedures address joint preservation, can reduce longer-term disability, and have implications for surgical utilization and specialty care capacity across health systems.

Key payers in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise clinical context for the procedure, typical sites of service, and which payers commonly cover or adjudicate claims for this surgery. The publication outlines expected service settings, common procedural considerations, and the types of benchmarks and policy topics relevant to stakeholders, including coverage criteria, prior authorization practices, and utilization trends. It also highlights areas where data are commonly reported and notes where input data were not provided.

The report is intended for clinicians, billing professionals, payer policy staff, and health system administrators seeking a clear, national-level summary of coding, clinical intent, and payer landscape for cartilage transplantation to the knee under CPT code 27412.