State pulls plug on single preferred drug list Dec 19, 2018 | Medicaid/Medicare, Top Stories The Department of Healthcare and Family Services is no longer planning to implement a single preferred drug list for Medicaid managed care members that was set to start Jan. 1.To access this content, you must purchase 1 Year Health News Illinois Subscription or 1 Year Group Subscription - Up to 5 Users, or log in if you are a member.