Tag: hair drug test

Hair testing

Hair testing and the Drug Testing Index

December 10, 2014

Compared to other drug test specimen types like urine and oral fluid, hair testing is often preferred for evaluating long-term patterns of drug use.

Instant testing

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

June 13, 2014

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

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

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

Hair testing

Hair drug testing resources

January 21, 2013

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

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

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