Workforce drug test positivity climbs to highest level in two decades, finds quest diagnostics drug testing index analysis

Positivity for cocaine and marijuana increase for federally mandated, safety-sensitive workers required to test under federal law amid widespread recruiting and retention challenges, drug positivity increases in post-accident tests at a faster rate than pre-employment tests for cocaine, marijuana, opiates and oxycodones secaucus, n.j. , march 30, 2022 /prnewswire/ -- the rate of positive drug test results among america's workforce reached its highest rate last year since 2001 and was up more than 30% in the combined u.s. workforce from an all-time low in 2010-2012, according to a new analysis released today by quest diagnostics (nyse: dgx), the world's leading provider of diagnostic information services.
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