On December 2, 2013, the Centers for Disease Control and Prevention (CDC) released this panel meeting report regarding patient review and restriction programs for state medicaid programs. On August 27 and 28, 2012, the Centers for Disease Control and Prevention (CDC) convened the Medicaid Patient Review and Restriction (PRR) Expert Panel Meeting. Attendees represented state Medicaid agencies, managed care organizations, private insurers, and Federal agencies. The goal of the meeting, and this report, was to examine current practices of PRR programs, also called Medicaid “Lock-In” programs, and share insights about the operation of such programs to prevent prescription drug . . .