2017 Drug Testing Index brochure

Increases in illicit drugs drive positivity to highest rate in 12 years

The Quest Diagnostics Drug Testing Index™ reveals insights into patterns of drug use among the American workforce. Key insights from the 2017 report include:

• Cocaine positivity rate in urine drug testing increased for the fourth consecutive year in the general U.S. workforce
• Double-digit increases (75%) in marijuana positivity continue in oral fluid drug testing
• Marijuana positivity in Colorado and Washington grew faster than the national average
• Methamphetamine positivity climbed 64% in the general U.S. workforce since 2012
• Heroin detection plateaus in general U.S. workforce

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