Quest Diagnostics Drug Testing Index (DTI) News

Drug Use at Work at Highest Rate in 12 Years: Quest

Drug use in the American workforce, fueled by illicit drugs including cocaine, reached the highest positivity rate in 12 years last year, according to an analysis of more than 10 million workforce drug test results. Overall positivity in drug testing …

Drugs in U.S. Workplace at Highest Level in Decade

Following years of declines, the percentage of employees in the combined U.S. workforce testing positive for drugs has steadily increased over the last three years to a 10-year high. An analysis of nearly 11 million workforce drug test results by …