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 ...
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 ...
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, ...
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 ...
On September 2, the 2025 Quest Diagnostics Drug Testing Index revealed that the percentage of employees in the general U.S. workforce testing positive for fentanyl in random drug tests far exceeded ...
Positivity for cocaine and marijuana is climbing among federally mandated testing of safety-sensitive workers. Positives are rising faster in post-accident tests than preemployment for cocaine, ...
[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 ...
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 ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results