PRESCRIPTION DRUG-AFFORD.  Creates the Prescription Drug Affordability Act. Creates the Prescription Drug Affordability Board. Creates the Prescription Drug Affordability Stakeholder Council. Provides that the Board shall identify specified prescription drug products and determine whether each prescription drug product should be subject to a cost review. Provides that if the Board finds that spending on a prescription drug product creates affordability challenges, the Board shall establish an upper payment limit that applies to all purchases and payor reimbursements. Includes provisions regarding remedies and an appeal process. Creates the Prescription Drug Affordability Fund. Provides that the Board shall submit a report to the General Assembly including specified information. Includes a provision on term expiration for Board and Council members. Provides that the Board shall conduct a study of the operation of the generic drug market that includes specified information on or before June 1, 2020.