Category: Hair testing

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
If you are not already aware, hair testing for drugs of abuse is available from and performed by Quest Diagnostics. 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

Drug Testing Index with hair testing
New data released today by Quest Diagnostics Incorporated (NYSE: DGX), the nation's leading provider of employment-related drug testing services. Continue reading

By   /  November 20, 2009