CPT code 20240 represents an open, superficial bone biopsy: a surgical diagnostic procedure to obtain bone tissue for laboratory analysis when infection, tumor, or other bone pathology is suspected. Nationally, accurate coding of this procedure affects clinical documentation, appropriate site-of-service reporting, and claims adjudication for both commercial payers and government programs.

Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find clinical context for when an open superficial bone biopsy is used, common sites of service, and the types of documentation that support medical necessity. The publication also outlines benchmarking and policy considerations relevant to reimbursement and reporting, including typical claims elements and payer-specific policy implications where available. Data not available in the input is noted explicitly where applicable.

This summary is intended for clinicians, coding professionals, and policy analysts seeking a concise national overview of CPT code 20240, its clinical role, and the billing and policy topics typically associated with open superficial bone biopsy procedures.