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Secaucus, NJ — The percentage of U.S. workers whose drug test showed signs of tampering skyrocketed in 2023 to its highest level in over 30 years, according to Quest Diagnostics’ annual Drug Testing Index.
Secaucus, NJ — The percentage of workers testing positive for marijuana after an on-the-job incident or injury hit a 25-year high in 2022, according to an analysis conducted by Quest Diagnostics.
Secaucus, NJ — Paced by a continuing increase in marijuana positivity rates, the positive drug test rate for U.S. workers reached its highest level in two decades in 2021, according to an annual analysis conducted by lab services provider Quest Diagnostics.
Secaucus, NJ — Paced by sharp rises in marijuana positivity rates, the positive drug test rate for U.S. workers continued at a historically high level in 2020, according to an annual analysis conducted by lab services provider Quest Diagnostics.
Secaucus, NJ — U.S. workers in 2019 tested positive for illicit drugs at the highest rate in 16 years – an uptick that could continue this year as a symptom of the COVID-19 pandemic, according to an annual analysis by lab services provider Quest Diagnostics.
Chicago — The rate of positive drug tests for illicit substances among U.S. workers in 2018 reached a 14-year peak, with marijuana playing a significant role, according to the annual Drug Testing Index from lab services provider Quest Diagnostics.
Secaucus, NJ — The rate of positive drug tests rose by double digits in five of 16 major U.S. workforce industry sectors from 2015 to 2017, according to a recent analysis by lab services provider Quest Diagnostics.
Madison, NJ – Drug use among U.S. workers has declined substantially since the Drug-Free Workplace Act was signed into law 25 years ago, but use of certain drugs is on the rise, according to Quest Diagnostics, a provider of drug-testing services.
