Category: Hair testing

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

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

Quest comments for hair specimen mandatory guidelines

August 5, 2015 By

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

Hair testing

Request for hair drug testing information

May 29, 2015 By

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

Hair testing

Detect repetitive drug use with hair testing

February 12, 2015 By

Hair testing is a method many employers rely on to help identify periodic and habitual drug use by applicants and employees.

Hair testing

Hair testing and the Drug Testing Index

December 10, 2014 By

Compared to other drug test specimen types like urine and oral fluid, hair testing is often preferred for evaluating long-term patterns of drug use.

Hair testing

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

June 27, 2013 By

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.