By July 1, 2023: Billing team must update systems to require preauthorization for all listed genetic testing codes (81201, 81203, 0211U, 81455, 0379U, 81479, 81210, 81275, 81311, 81403, 81243, 81244, 81405, 81406, 81408, 81407, 81439, 81370, 81375, 81376, 81377, 81382, 81383, 81256). Update encounter forms and EMR templates to include specific medical necessity criteria for each test type. Train providers on new documentation requirements. Claims without proper preauthorization will be denied.