State Medicaid programs could subtract commercial-market rebates from drug prices before subtracting mandatory Medicaid rebates from drug prices, according to Pew Charitable Trusts. Pew said states could use the same approach to establish their own version of the Medicaid best price. Medicaid preferred drug lists provide states with leverage to require drug companies to disclose the rebates and discounts they provide in the commercial market, Pew states. States could make those disclosures a condition of putting drugs on preferred drug...