Interpretation of Opiate Urine Drug Screens
Drug Halflife hr Metabolites Concentrations above the cutoff will screen positive for morphine 15 65 normorphine hydromorphone 25 Opiates codeine 1 4 morphine hydrocodone 11 norcodeine Opiates oxycodone 4 12 oxymorphone noroxycodone Oxycodone oxymorphone 3 6 6hydroxyoxymorphone Oxycodone