CPT code 67334 is an add-on surgical code for strabismus repair that denotes the use of a posterior fixation suture to alter extraocular muscle function. Nationally, accurate reporting of this add-on code matters for clinical documentation, claims adjudication, and aggregated procedure utilization tracking because it distinguishes when the posterior fixation technique is employed in conjunction with primary strabismus surgery. Key payers addressed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise explanation of the code’s clinical intent and service setting, guidance on common payer coverage dynamics, and an overview of typical billing considerations tied to add-on reporting. The publication also summarizes benchmarks and policy-related updates relevant to surgical add-on coding, highlights common modifier interactions and payer practice patterns, and provides clinical context for when posterior fixation sutures are used in strabismus management. Data not available in the input is noted where applicable.