Tag: hair drug test

Hair testing

Ask the Experts: Hair drug test collections

May 18, 2021 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: Hair testing vs. hair follicle testing

April 27, 2021 By

What is the difference between hair drug testing and hair follicle drug testing? We asked a Quest expert to explain.

Hair testing

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

April 6, 2021 By

Our scientific expert, Dr. Barry Sample, answers the question: Can products and treatments affect hair drug test results?

Hair testing

What you need to know about hair drug testing

March 31, 2020 By

Employers choose hair testing to help identify habitual and periodic drug users using its 90-day drug detection window. Get the facts.

Drug Testing

The 5 panel drug test

March 3, 2020 By

The best building block for your drug-free work policy. The 5-panel drug test screens for the five most common drugs. It is the considered the standard.

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

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.

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

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

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.