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 ...
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 ...
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 ...
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