Category: Hair testing

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 Continue reading

By   /  January 21, 2013

Trucking and hair testing
More trucking companies are electing to perform a hair drug test in addition to the urine test. Continue reading

By   /  August 13, 2012

Hair testing industry standardization
For nearly two decades, we have been reliably and accurately screening for drugs of abuse in hair using our enzyme immunoassay (EIA) technology. Continue reading

By   /  June 25, 2012

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 enhancements
During the past 18 months we have made several hair testing changes and enhancements. Continue reading

By   /  July 18, 2011

Expanded opiate detection added to hair testing
Quest Diagnostics will begin to offer testing for expanded opiates – prescription opiates to our hair testing confirmation process. Continue reading

By   /  February 2, 2011

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

Product feature – Hair testing
Quest Diagnostics is committed to providing your company with a complete array of drug testing options. Continue reading

By   /  April 28, 2010

Hair Testing from Quest Diagnostics
Hair testing from Quest Diagnostics is FDA cleared, and tests for the following drugs: amphetamines (including MDMA), cocaine, marijuana, opiates and phencyclidine (PCP). Continue reading

By   /  March 29, 2010