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., 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 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 ...
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 25 years in 2022, according to a new ...
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 ...
Data from New Jersey-based drug test provider Quest Diagnostics involved an analysis of over 8 million workplace drug tests carried out during the last year—meaning the results are statistically ...
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