Tag: hair follicle test

Hair testing

Ask the experts: Hair testing vs. hair follicle testing

April 27, 2021 By

What is the difference between hair drug testing and hair follicle drug testing? We asked a Quest expert to explain.

Hair testing

3,221 Drug users off the road thanks to hair testing

June 27, 2013 By

Positive results for drug use have kept more than 3,200 prospective drivers from getting behind the wheel for J.B. Hunt Transport Services Inc.

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Truck drivers and hair drug testing

May 28, 2013 By

While DOT regulations mandate urine drug testing, a number of motor carriers have found value in performing supplemental hair testing.

New to Drug Testing

New to drug testing: Hair testing

May 23, 2013 By

During my first year of employment, I’m writing a weekly column highlighting drug testing procedures, products and processes as I discover them.

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 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.