Tag: hair drug test

Instant testing

Ask the experts: Understanding lab-based and instant drug testing

June 13, 2014 By

We help employers to better understand the differences between lab-based and instant drug testing for urine, hair, and oral fluid drug testing.

Drug Testing

Industry leadership – Reliable testing

May 19, 2014 By

Each and every one of the millions of results that our laboratories release have to be accurate, consistent and reliable.

Drug Testing

Industry leadership – Robust products

May 12, 2014 By

When it comes to robust products, an industry leader should be able to provide its customers with a wide array of options.

Hair testing

See our hair drug testing lab in action

May 15, 2013 By

We are proud of our hair testing laboratory and the contribution we make to help keep the workplace safe.

Hair testing

Hair testing 101: Combing through the science

May 6, 2013 By

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.”

Hair testing

Hair drug testing resources

January 21, 2013 By

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

Hair testing

Hair testing from a leader in science and service

January 31, 2012 By

Hair testing provides up to a 90-day detection of repetitive drug use, which can act as a powerful drug use deterrent.

Hair testing

Hair testing advantages

August 9, 2010 By

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