The Formulary, according to the Centers for Medicare and Medicaid (CMS) is defined as:
A list of drugs covered by a Medicare prescription drug plan (stand-alone Medicare Part D prescription drug plan (PDP) or Medicare Advantage plan that includes drug coverage (MAPD).
A Medicare plan is allowed to change the plan's formulary throughout the plan year as new medications are introduced.
(source: Medicare.gov)
Reminder: Both our Formulary Browser (showing all drugs for a single Medicare plan) and our the drug finder® Drug Finder ( on this site - showing all Medicare plans covering a single drug) display the details of the drug utilization management requirements along with the drug cost-sharing information for all Medicare Part D plans and Medicare Advantage plans.
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