Category: Hair testing

Hair testing now includes more specific testing for oxycodones
Recent enhancements to our hair testing panels now allow for more specific testing for opiate-like or opioid drug such as oxycodone and its metabolites. Continue reading

By   /  June 3, 2019

Hair testing webinar in review
In the third and final installment of our webinar series, Back to basics, we focused on hair drug testing and combed through the key features. Continue reading

By   /  May 17, 2019

Back to basics webinar series: hair drug testing
Untangling the benefits of this drug testing type, Quest experts provide insightful information in our upcoming webinar, Back to basics: hair drug testing. Continue reading

By   /  April 17, 2019

DATIA focus: Why Brazil Chose Hair Drug Testing
The Brazilian government faced challenges to reduce traffic fatalities and decrease drug use by drivers. Read more in DATIA focus. 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 drug testing as part of their workplace drug testing program ask if hair products can have an impact on their drug 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