CPT code 28737 represents a combined midfoot reconstructive procedure — fusion (arthrodesis) of the navicular and cuneiform tarsal bones with internal fixation, performed with lengthening and advancement of the tibialis posterior tendon. This code captures complex foot and ankle surgery that addresses midfoot collapse, deformity, or tendon dysfunction and is clinically significant because it often affects mobility and long‑term function.

Key national payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of what CPT 28737 denotes clinically and operationally, how it is typically delivered (surgical setting, fixation techniques, and tendon procedure), and what to expect in payer coverage contexts. The publication provides national benchmarking context where available, notes common procedural modifiers in use, and summarizes relevant clinical considerations that influence coding and claim adjudication. Policy updates affecting surgical bundling, site‑of‑service determinations, and prior authorization trends for foot and ankle reconstructive procedures are highlighted.

This document is intended for billing professionals, clinicians, and policy analysts seeking a clear, national‑level briefing on CPT 28737, including clinical scope, service delivery setting, and the payer landscape relevant to utilization and reimbursement.