A drug formulary is your insurance plan's list of covered medications, organized into tiers that determine your out-of-pocket costs. Learn how it works, why drugs get moved or removed, and how to get coverage if your medication isn't listed.
A drug formulary is your insurance plan's list of covered medications, organized into tiers that determine your out-of-pocket costs. Learn how it works, why drugs get moved or removed, and how to get coverage if your medication isn't listed.