Tag: Quest Diagnostics

Quest Diagnostics: Workers’ Positive Drug Tests Hit 20-Year High

Last year, the rate of positive drug test results among American workers reached its highest rate since 2001, Quest Diagnostics reports. The company’s analysis shows the positivity rate was up more than 30% in the combined U.S. workforce from an all-time low in 2010–2012. Moreover, overall positivity in the federally mandated, safety-sensitive workforce, based on […]