It means they cover tier 1 and tier 2 through the gap. If you don't sell PDPs this will mean nothing to you. If you do sell them, then you should already know. Rick
In 2016, Medicare will pay 42% of the price for generic drugs during the coverage gap. You pay 58%. Some Part D plans offer generic coverage during the coverage gap. Hopefully, you are asking this question, and, not Part D certified.