CPT code 21196 represents surgical reconstruction of the body of the mandible and/or its rami to correct facial deformities, frequently performed after traumatic injury. This code captures complex maxillofacial reconstructive work aimed at restoring mandibular integrity, occlusion, and facial contour. Nationally, procedures coded under 21196 are significant for trauma care, oral and maxillofacial surgery practices, and hospitals managing facial injuries.

Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. The publication provides clinicians, billing professionals, and policy stakeholders with a concise overview of clinical context, common sites of service, and expected payer coverage patterns. Readers will find benchmarks and policy-relevant information, including typical service settings, common modifier usage (listed separately), and topics relevant to prior authorization and coverage determinations.

The report highlights clinical context for mandibular reconstruction, summarizes payer coverage landscape for major national payers, and identifies areas where coding clarity and documentation drive payment outcomes. Data not available in the input are noted where applicable.