Tag: hair drug test

Ask the experts: Understanding lab-based and instant drug testing
We help employers to better understand the differences between lab-based and instant drug testing for urine, hair, and oral fluid drug testing. Continue reading

By   /  June 13, 2014

See our hair drug testing lab in action
We are proud of our hair testing laboratory and the contribution we make to help keep the workplace safe. Continue reading

By   /  May 15, 2013

Hair testing 101: Combing through the science
Hair drug testing is the only method that provides up to a 90-day drug use history. View our webinar, “Hair Testing 101: Combing through the Science.” Continue reading

By   /  May 6, 2013

Hair drug testing resources
Quest Diagnostics offers additional resources about hair testing for illicit drug use at HairTesting.com. Continue reading

By   /  January 21, 2013

Hair testing from a leader in science and service
Hair testing provides up to a 90-day detection of repetitive drug use, which can act as a powerful drug use deterrent. Continue reading

By   /  January 31, 2012

Hair testing advantages
There are a number of advantages that hair drug testing from Quest Diagnostics offers over alternative testing methods. See the benefits. Continue reading

By   /  August 9, 2010