Morningstar

Fentanyl Positivity Is More Than Seven Times Higher in Random Tests vs. Pre-Employment Drug Screening, Finds 2025 Quest Diagnostics Drug Testing Index

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, ...
NJBIZ

Quest: Record number of employees cheating on workplace drug tests

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 ...
KSAT

Fentanyl showing up alongside other substances in workplace drug tests twice as often since 2020

SAN ANTONIO – Data from prominent drug testing center Quest Diagnostics shows the number of tests detecting fentanyl has doubled since 2020. The company has tracked substances detected since 1988 and ...
EHS Today

DOT Seeks to Add Fentanyl to Drug Tests

The DOT's proposed rule would add fentanyl and norfentanyl to mandatory drug testing panels for transportation workers under ...
The Washington Post

Firms Offer Ways to Foil Drug Tests

Type "beat the drug test" into an Internet search engine, and you come up with more than 100 Web sites devoted to helping foil workplace drug screening. It's part of a technology race, or as Barry ...