CPT code 42825 represents a pediatric tonsillectomy procedure performed in children under 12 years old. Nationally, this code captures surgical management of tonsillar disease in young children, a common pediatric otolaryngology procedure that affects utilization, surgical capacity planning, and pediatric anesthesia services. The code matters for hospital and ambulatory surgical center billing, payer coverage policies, and quality measurement tied to pediatric surgical outcomes.

Key payers covered in this overview include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise explanation of the clinical service and typical sites of care, along with what to expect in payer coverage reviews and coding considerations. The publication summarizes existing reimbursement and billing patterns, common modifiers encountered on claims, and the clinical context supporting use of the code. Where applicable, benchmarks and policy updates are summarized to inform coding accuracy and administrative review.

This resource is intended to give a national-level operational and clinical snapshot of CPT code 42825, helping coding professionals, practice managers, and policy analysts understand the code’s purpose, typical settings, and the payer environment relevant to pediatric tonsillectomy services.