What should I know about prior authorization and managed drug limitations?

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The prescription drug plan doesn’t cover certain medicines without prior authorization for medical necessity. If you are currently using one of these drugs and don’t get authorization from your doctor, you may have to pay the full cost of your medication. Another option is to choose a generic or brand formulary alternative from Express Script’s standard formulary list. When you choose a drug from this list, you don’t have to get prior authorization.