Tag: hair test

Ask the Experts: Hair drug test specimens
Our experts explain how a hair drug test specimen can be taken from other parts of the body if someone is lacking hair or is bald. Continue reading

By   /  October 17, 2017

Ask the experts: Effects of hair treatments on drug test results
Some employers who use hair testing as part of their workplace drug testing program wonder if hair products can have an impact on their test results. Continue reading

By   /  June 27, 2016

Quest Diagnostics & Labet offer hair drug testing in Brazil
Quest Diagnostics and Labet offer hair drug testing for professional drivers in Brazil after a new law was passed to improve transportation safety. Continue reading

By   /  March 7, 2016

Quest comments for hair specimen mandatory guidelines
HHS published an RFI seeking comments for federally-mandated hair drug testing. Here are our comments in response to the questions posed by HHS. Continue reading

By   /  August 5, 2015

Request for hair drug testing information
The HHS published an RFI seeking comments on regulatory policies and standards regarding the use of hair specimen for federally-mandated drug testing. Continue reading

By   /  May 29, 2015

Ask the experts: Hair testing vs. hair follicle testing
We asked our scientific expert to better understand hair testing terminology and the hair testing collection process. Continue reading

By   /  July 3, 2014

New to drug testing: Drug testing alternatives
We offer a full line of lab-based & instant drug testing products & services that provide much of the same critical information that urine provides. Continue reading

By   /  August 21, 2013

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

By   /  June 27, 2013

Common questions about hair testing
Quest Diagnostics answered many questions about hair drug testing during our webinar, but here are a few of the most commonly asked questions. Continue reading

By   /  May 29, 2013

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

By   /  May 28, 2013