Category: Hair testing

DATIA focus: Why Brazil Chose Hair Drug Testing
The Brazilian government faces to keep its citizens safe on its streets and highways and to deter drug use by professional drivers. Read why the country chose hair drug testing in the latest issue of DATIA focus magazine. Continue reading

By   /  May 24, 2018

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

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

Hair testing helps to protect safety
In the interest of safety and public health, Brazilian lawmakers enacted a mandatory hair drug test for professional drivers. Read our new case study. Continue reading

By   /  August 29, 2017

Ask the Experts: Hair drug test collections
How much hair is cut for a drug test? Our scientific experts explain the specific amount of hair needed by the laboratory for testing. Continue reading

By   /  August 4, 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

Guide for drug testing laws
Download our Guide for Drug Testing Laws as a reference to illustrate how drug testing laws can differ from state to state. Continue reading

By   /  September 21, 2015

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