Immediately: Billing team must update Michigan Medicaid billing system to include new HCPCS codes effective April 1, 2024, and remove discontinued codes that ended March 31, 2024. Verify prior authorization requirements for codes marked with asterisks (J1202, J1203, E2298, L1320, Q0224, B4103, L0655, L6205, L6628, L6629, L6632, L6637, L6641, L6642, L6686, L6687, L6688, L6689, L6690, L7400, L7401, L7402, L7403, L7404, L7405, L7700). Submit retroactive claims for codes 90589, 90623 (back to January 1, 2024) and M0224, Q0224 (back to March 22, 2024) if applicable.