Category: Hair testing

Hair testing

Hair testing now includes more specific testing for oxycodones

June 3, 2019 By

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.

Hair testing

Hair testing webinar in review

May 17, 2019 By

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.

Hair testing

Ask the experts: Can hair testing detect one-time drug use?

May 14, 2019 By

Employers who look for solutions to detect one-time drug use often ask if hair testing may be a viable option. We help to provide insight.

Hair testing

Back to basics webinar series: hair drug testing

April 17, 2019 By

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

Hair testing

DATIA focus: Why Brazil Chose Hair Drug Testing

May 24, 2018 By

The Brazilian government faced challenges to reduce traffic fatalities and decrease drug use by drivers. Read more in DATIA focus.

Collections

Hair drug test procedures

November 7, 2017 By

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

Hair testing

Ask the Experts: Hair drug test specimens

October 17, 2017 By

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.

Hair testing

Hair testing helps to protect safety

August 29, 2017 By

In the interest of safety and public health, Brazilian lawmakers enacted a mandatory hair drug test for professional drivers. Read our new case study.

Hair testing

Ask the Experts: Hair drug test collections

August 4, 2017 By

The amount of hair needed for a hair drug test is approximately 100 milligrams made up of the first 1-½ inches from the root end. The hair is typically cut from the crown of the back of the head in a manner where it will not be as noticeable. Learn more about hair drug test collections.

Hair testing

Ask the experts: Effects of hair treatments on drug test results

June 27, 2016 By

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.