Pharmaceutical manufacturers can withdraw their products from Medicare and Medicaid formularies at any point during the negotiation process with the U.S. Centers for Medicare and Medicaid Service (CMS). If a manufacturer doesn't agree with CMS's final offer, they can choose to sell their products at the CMS price, sell at their preferred price and pay an excise tax, or withdraw their products.
說以不是所有的藥都一起退出。