CPT code 67320 is an add-on ophthalmic surgical code for transposition of extraocular muscles to correct ocular misalignment and improve visual function. Nationally, this code is used in specialty ophthalmic surgical practices and hospital settings where strabismus or other motility disorders require muscle transposition techniques. Accurate coding of 67320 matters for clinical documentation, surgical planning, and consistent reporting of complex eye muscle procedures.

Key payers in the national analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. The publication provides comparative benchmarks where available, clarifies clinical context for use of the code, and summarizes coding relationships and billing considerations relevant to ophthalmology surgical service lines.

Readers will learn the clinical intent of the code, typical sites of service, common procedural context in which the add-on transposition is reported, and which payers are included in the coverage overview. Data not available in the input is indicated explicitly where applicable.