Modifier 63 (neonate/infant surgery reimbursement)
Defines Anthem Medicare Advantage reimbursement rules for using CPT modifier 63 when billing surgical procedures performed on neonates and infants up to a present body weight of 4 kg; applies to professional and facility claim submission practices unless superseded by provider, state, federal, or CMS contracts.
09/06/2024 review approved: no changes.
11/04/2022 review approved: updated title to only include modifier 63 and updated definition for modifier 63.
Modifier 63 Reimbursement Criteria
Trek Health ingests and normalizes Transparency in Coverage data and payer policy updates to give provider organizations a clear view of how commercial reimbursement behaves across markets, payers, and services. Our platform transforms raw payer disclosures into structured intelligence that supports contract evaluation, payer negotiations, and service line strategy. By combining market benchmarks with ongoing policy visibility, Trek helps teams identify variability, risk, and opportunity in commercial reimbursement. The result is faster insight, stronger negotiating positions, and more informed financial decisions.