1. Opioids in Medicaid: concerns about opioid use among beneficiaries in six Appalachian states in 2018 Publication: [Washington, D.C.] : U.S. Department of Health and Human Services, Office of Inspector General, December 2020 Subject(s): Government RegulationInappropriate Prescribing -- statistics & numerical dataMedicaid -- legislation & jurisprudenceOpioid-Related Disorders -- prevention & controlAppalachian RegionUnited StatesUnited States. Department of Health and Human Services