Tag: Quest Diagnostics

Workplace drug testing policies and marijuana legalization
Employers can continue to drug test for marijuana. As states legalize marijuana, our experts offer some important considerations for your company as you write or revise your drug testing policy. Continue reading

By   /  December 3, 2019

Marijuana positivity in America’s workplace
Data reveal increases in marijuana positivity rates across industries, workforce categories, and specimen types. We continue to examine marijuana positivity rates alongside the legal status of marijuana by state. Continue reading

By   /  November 25, 2019

New oral fluid guidelines for Federal testing
SAMHSA published scientific and technical guidelines for the inclusion of oral fluid specimens in federal testing. Find out what employers need to know. Continue reading

By   /  November 21, 2019

What you need to know about oral fluid drug testing
Oral fluid drug testing is a popular, accurate, and non-invasive alternative to urine or hair testing. Get answers to the most frequently asked questions about saliva drug testing Continue reading

By   /  November 12, 2019

A growing – and changing – crop
Marijuana itself has evolved from the mildly potent ditch weed of the 1960s and 70s, to a potent and potentially dangerous narcotic. Continue reading

By   /  September 26, 2019

Webinar: Making sense of marijuana
Two experts discuss the legal implications of marijuana for workplaces and the science of drug testing in our upcoming webinar. Continue reading

By   /  August 5, 2019

The value of an accurate drug test
Lab accreditations and inspections are a way to ensure accurate drug testing and help verify that processes, instrumentation, and personnel adhere to the highest standards of quality. We work to ensure that every drug test reported by our labs is accurate. Continue reading

By   /  July 11, 2019

Lab Week heroes
During Lab Week, Quest Diagnostics celebrates our lab professionals and the critical role they play in helping to keep our workplaces drug-free. Continue reading

By   /  April 22, 2019

Workforce drug testing positivity climbs to its highest rate since 2004
Workforce drug testing positivity climbs to its highest rate since 2004, according to the latest data from the Quest Diagnostics Drug Testing Index. Continue reading

By   /  April 11, 2019

Cannabidiol and drug tests
Maybe. CBD itself would not report positive on a drug test for marijuana or marijuana metabolite. In some states, CBD may contain up to 5% THC. If the CBD product contains THC at a sufficiently high concentration, it is possible that the use of these products could cause a positive urine drug test result. Continue reading

By   /  February 8, 2019