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 ...

AUSTIN (KXAN) — A new report from Quest Diagnostics, a diagnostic testing and health information services provider, revealed the percentage of employed people who test positive for fentanyl in random ...

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 ...

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 ...

According to a Quest Diagnostics Drug Testing Index Analysis that was published on May 18, post-accident workplace drug testing hit an all-time high in 2022. Last year, 7.3% workforce drug urine ...

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 ...

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 ...

More and more workers in the U.S. are testing positive for fentanyl use during random drug tests, according to new data from Quest Diagnostics. After analyzing more than 8 million workforce drug tests ...

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 ...

[Stay on top of transportation news: Get TTNews in your inbox.] As state laws and societal attitudes shift regarding recreational and medical marijuana use nationwide, employers in some fields are ...