Answer: You should not be using this modifier to bill orthotics. Modifier -50 (Bilateral procedure) is a surgical modifier that you should only use with CPT codes in specific situations concerning specific anatomic areas.
When billing orthotics for both feet, try billing two units on one line (L3010 x 2) or bill two lines of the insert, each with an -LT or -RT appended to the code. Ask your carriers which method they prefer. You Be the Coder and Reader Questions were reviewed by Heidi Stout, CPC, CCS-P, coding and reimbursement manager at UMDNJ-RWJ University Orthopaedic