Category: Blog Series
An exploration of addiction: The teen years
In this installment of our series, we examine how addiction can take hold when our brains are at their most vulnerable.
Series: An exploration of addiction
In this new series, we will take a deeper dive into the science behind substance abuse disorders and addiction.
The case for maintaining a drug testing policy
West Virginia Supreme Court upholds reasonable suspicion termination demonstrating the impact of a comprehensive workplace drug testing policy.
By the Numbers: Going green with eCCF
If eCCFs were used for every Quest Diagnostics drug test performed instead of paper CCFs, 10,000 trees could have been saved in 2016 alone.
Data shows escalating drug use in the U.S. workforce
Typically, there is at least 30 percent more self-reported drug use by people who work for an employer without a drug testing program.
Post-accident positivity climbs among American workers
Quest Diagnostics Drug Testing Index data shows a significant increase in positive post-accident drug tests in the American workforce.
By the Numbers: Heroin positivity continues to rise
Heroin positivity increased 146% between 2011 and 2015 in the general U.S. workforce according to the Quest Diagnostics Drug Testing Index.
By the Numbers: Drug detection window by specimen type
How long can drugs be detected using a drug test? Our infographic helps to illustrate detection windows for urine, oral fluid and hair drug testing.
Ask the Experts: Six Sigma quality
At Quest Diagnostics, Six Sigma means striving for a standard of quality near perfection and championing total customer satisfaction.
By The Numbers: Oral fluid positivity
Oral fluid positivity has surged in the past 3 years, largely driven by double-digit increases in marijuana positivity.