1. Prescription opioids: Medicare should expand oversight efforts to reduce the risk of harm : testimony before the Subcommittee on Oversight, Committee on Ways and Means, House of Representatives Publication: Washington, DC : United States Government Accountability Office, January 17, 2018 Subject(s): Drug and Narcotic ControlInappropriate Prescribing -- prevention & controlMedicare Part D -- statistics & numerical dataOpioid-Related DisordersPrescription Drug Misuse -- statistics & numerical dataAnalgesics, Opioid -- adverse effectsFraud -- prevention & controlGovernment RegulationInappropriate Prescribing -- statistics & numerical dataMedicare Part D -- economicsHumansUnited StatesCenters for Medicare & Medicaid Services (U.S.)