diagnosis or treatment or an EPSDT special service which is not otherwise covered by the Kentucky Medicaid Program shall be covered subject to prior authorization if the requirements of subsections (1) and (2) of section 9 of 907 KAR 11:034 are met. 2017 WellCare Drug List (Formulary) Search Tool. The tool on this page allows you to search prescription drug names to determine WellCare's 2017 plan coverage for your Formulary. NOTE: This guide is not intended to be an al l-inclusive list of covered services under WellCare of Kentucky Health Plans, Inc., but it substantially provides current refer ral and prior authorization instructions. Authorization does not guarantee claims payment. Below are a few notes to help you understand the above 2020 Medicare Part D WellCare Medicare Rx Select (PDP) Plan Formulary. Plan Name: This is the official Medicare Part D prescription drug or Medicare Advantage plan name from the Centers for Medicare and Medicaid Services (CMS).