1. Toolkit for calculating opioid levels and identifying patients at risk of misuse or overdose: R and SQL programming code Publication: [Washington, D.C.] : U.S. Department of Health and Human Services, Office of Inspector General, May 2020 Subject(s): Government RegulationMorphine -- administration & dosageOpioid-Related Disorders -- diagnosisSoftwareUnited StatesUnited States. Department of Health and Human Services