News

Drug positivity in the general U.S. workforce was 5.7% in both 2022 and 2023. In 2023, in the combined U.S. workforce, urine drug positivity for all drugs was 4.6%, the same as in 2021 and 2022.
The new findings of the Quest Diagnostics Drug Testing Index™ are being unveiled this week at the Drug & Alcohol Testing Association 2022 Conference taking place March 30-April 2 in Louisville, KY.
According to a new Quest Diagnostic Study analyzing workplace drug test results in 2021, employers saw the highest rate of positive drug test results in twenty years.
Cheating on drug tests among American workers has reached a 30-year high, with Quest Diagnostics Inc. reporting 31,000 tampered samples out of 5.5 million in 2023. The rise in synthetic urine use ...
After holding steady between 2017 and 2020, positive results for drug tests of construction workers increased more than 12% in 2021, according to the 2022 Quest Diagnostics Drug Testing Index (DTI).
The Quest Diagnostics Drug Testing Index™ Industry Insights of general U.S. workforce positivity rates, based on more than 17 million urine drug test results between 2016 and 2020, shows year ...
The new Quest Diagnostics Drug Testing Index™ (DTI) report is based on more than 10.6 million deidentified urine, hair and oral-fluid drug test results reported between January and December 2022 ...
According to data released today by Quest Diagnostics’ Drug Testing Index ® (DTI), results from workplace drug screenings conducted in 2007 show a more than 50 percent decline in the percentage ...
Use of marijuana, cocaine, amphetamine, and methamphetamine grew in 2022 in the construction industry based on drug testing conducted after an on-the-job accident, according to Quest Diagnostics. The ...
The Quest Diagnostics Drug Testing IndexTM Industry Insights of general U.S. workforce positivity rates, based on more than 17 million urine drug test results between 2016 and 2020, shows year ...