By December 21, 2021: Billing team must stop using end-dated vaccine codes (90634, 90649, 90650, 90654, 90655, 90657, 90658, 90660, 90661, 90673, 90676, 90682, 90690, 90733, 90748) for Pennsylvania Medicaid claims. Update billing system to include new procedure codes (29893, 60650, 81221, 81222, 81223, 90662, 96136, 96137) with appropriate modifiers. Verify provider type/specialty/place of service combinations are correct for affected procedures in billing software. Update quantity limits for medical supply codes per new monthly limits.