CPT code 21141 represents LeFort I midface reconstruction, a surgical procedure that mobilizes and advances the maxilla and adjacent facial bones to correct congenital or acquired deformities such as long face syndrome. Nationally, this code captures a range of corrective orthognathic surgeries that impact facial form, dental occlusion, and, in many cases, airway and functional outcomes. Its use is relevant to hospital and ambulatory surgery billing, surgical specialty practice patterns, and payer medical necessity determinations.

Key payers relevant to coverage and reimbursement discussions include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of the clinical purpose of the code, typical sites of service, and common billing contexts. The publication also provides benchmarks for utilization and reimbursement frameworks, summarizes prevailing policy considerations from major payers, and outlines the clinical context that supports coding and claim submission for orthognathic midface procedures.

This summary is intended for clinicians, coding professionals, and policy analysts seeking a concise reference on CPT code 21141, its clinical role in midface reconstruction, and the payer landscape that commonly applies to such procedures across the United States.