Effective January 1, 2018, the Federal Department of Transportation (DOT) is amending its drug testing program regulation to include detection for four opioids: hydrocodone, hydromorphone, oxymorphone, and oxycodone. Methylenedioxyamphetamine has also been added as an initial test analyte and methylenedioxyethylamphetamine has been removed as a confirmatory test analyte. Federally Regulated DOT Drug Test Programs Mandated changes applyRead more