Tag: hair follicle

The Life of a Drug Test – webinar highlights
In our recent webinar, two Quest experts gave us insights to reveal how many moving parts have to work together to deliver accurate, dependable test results. Continue reading

By   /  December 20, 2017

Hair drug test procedures
We’ve created a hair drug testing guide to help add clarity to each step of the collections process. Continue reading

By   /  November 7, 2017

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

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

See our hair testing lab in action
We are proud of our hair testing laboratory and the contribution we make to help keep the workplace safe. Continue reading

By   /  May 15, 2013