Category: Blog Series

An Exploration of Addiction

An exploration of addiction: The teen years

May 5, 2017 By

In this installment of our series, we examine how addiction can take hold when our brains are at their most vulnerable.

An Exploration of Addiction

Series: An exploration of addiction

March 21, 2017 By

In this new series, we will take a deeper dive into the science behind substance abuse disorders and addiction.

Ask the Experts

The case for maintaining a drug testing policy

March 16, 2017 By

West Virginia Supreme Court upholds reasonable suspicion termination demonstrating the impact of a comprehensive workplace drug testing policy.

By the Numbers

By the Numbers: Going green with eCCF

March 1, 2017 By

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.

By the Numbers

Data shows escalating drug use in the U.S. workforce

January 24, 2017 By

Typically, there is at least 30 percent more self-reported drug use by people who work for an employer without a drug testing program.

By the Numbers

Post-accident positivity climbs among American workers

January 4, 2017 By

Quest Diagnostics Drug Testing Index data shows a significant increase in positive post-accident drug tests in the American workforce.

By the Numbers

By the Numbers: Heroin positivity continues to rise

December 15, 2016 By

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

By the Numbers: Drug detection window by specimen type

December 5, 2016 By

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

Ask the Experts: Six Sigma quality

October 18, 2016 By

At Quest Diagnostics, Six Sigma means striving for a standard of quality near perfection and championing total customer satisfaction.

By the Numbers

By The Numbers: Oral fluid positivity

October 12, 2016 By

Oral fluid positivity has surged in the past 3 years, largely driven by double-digit increases in marijuana positivity.