CASE STUDY Positive workplace drug testing result for morphine

If no solid state drugs recovered individual cannot be charged due to positive test alone. Positive test may be due to drug metabolites from legitimate use (prescription codeine/morphine). Ingestion of food products containing poppy seeds. Urine sample should be tested for other metabolites (6-MAM indicates heroin use). Codeine:Morphine ratio <6 indicates an additional source of morphine present. No previous drug use known, no drugs recovered, signed document - may be dismissed from job