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 31,000 out of 5.5 million drug tests showed signs of tampering in 2023.
Dr. Suhash Harwani, senior director of science for workforce health solutions at Quest, highlighted the lengths some individuals go to subvert the drug-testing process.
The steady rate of positive drug tests, combined with an increase in tampering and varied marijuana laws across states, presents significant challenges for employers aiming to maintain drug-free workplaces.
Cheating methods range from substituting urine samples with synthetic or animal urine to using additives designed to mask ...