Tag: Quest Diagnostics
Workforce Drug Test Positivity Hits Two-Decade High
Post-accident workforce drug positivity for marijuana reached a 25-year high in 2022, finds Quest Diagnostics Drug Testing Index Analysis.
Workforce Drug Test Positivity Rate Increases For The First Time in 10 Years
Quest Diagnostics Drug Testing Index™ finds rates have surged in Colorado and Washington, but data suggests state legalization of recreational marijuana may not be sole driver of increases.