Amid Widespread Recruiting and Retention Challenges, Drug Positivity Increases in Post-Accident Tests at a Faster Rate Than Pre-Employment Tests for Cocaine, Marijuana, Opiates and Oxycodones SECAUCUS ...

Overall Drug Positivity Holds Steady at Historically High Rates while Marijuana Positivity Continued Upward Climb in the General U.S. Workforce Marijuana Positivity in the General U.S. Workforce ...

The rate of substituted or invalid drug tests — an indication of tampering to hide drug use — rose more than six-fold in 2023 versus the prior year, according to a Quest Diagnostics analysis of 9.8 ...

SECAUCUS, N.J., Sept. 2, 2025 /PRNewswire/ -- The percentage of employees in the general U.S. workforce testing positive for fentanyl in random drug tests far exceeded those in pre-employment testing, ...

SECAUCUS, N.J., May 18, 2023 /PRNewswire/ -- The percentage of employees in the general U.S. workforce testing positive for marijuana following an on-the-job accident increased to its highest level in ...

More and more workers are cheating on drug tests, according to new data from Quest Diagnostics, with tampering rates reaching a 30-year high in 2023. After analyzing nearly 9.8 million workforce drug ...

Cheating on drug tests among American workers has surged to its highest level in over 30 years, according to a lab report from Quest Diagnostics Inc (NASDAQ:DGX). The lab reported that approximately ...

More Americans are failing drug tests because of pot than ever before, and the solutions to the problem range from blaming legalization to dropping drug testing for pot altogether. Quest Diagnostics ...

Quest Diagnostics has announced that it will now offer consumer-initiated laboratory testing powered by QuestDirect in collaboration with Walmart. The new solution allows people to take control of ...

SECAUCUS, N.J., April 11, 2019 /PRNewswire/ -- The rate of workforce drug positivity hit a fourteen-year high in 2018, according to a new analysis released today by Quest Diagnostics (NYSE: DGX), the ...

SECAUCUS, N.J., May 26, 2021 /PRNewswire/ — The COVID-19 pandemic did not dampen workforce drug testing positivity for marijuana, which continued to increase last year in the general U.S. workforce, ...