Know the Lowest Price Act of 2018

Know the Lowest Price Act of 2018 (Sec. 2) This bill prohibits a prescription drug plan under Medicare or Medicare Advantage from restricting a pharmacy from informing an enrollee of any difference between the price, copayment, or coinsurance of a drug under the plan and a lower price of the drug without health-insurance coverage. (Such restrictions are commonly referred to as gag clauses.)