By January 1, 2026: Billing team must update coding systems to replace deleted CPT codes (0275T, 0394T, 33884, 33889, 75956-75959, 0421T, 0619T) with new codes (62330, 62331, 77436-77439, 33882, 35602, 0994T, 0995T, 52443, 52597, 0587T-0590T, 87182, 87494, 87812, 0662T, 0663T). Update encounter forms and billing software to reflect these changes. Verify correct code usage for affected procedures to prevent claim denials.