Tag: hair follicle drug test
Ask the experts: Hair testing vs. hair follicle testing
What is the difference between hair drug testing and hair follicle drug testing? We asked a Quest expert to explain.
Ask the experts: Effects of hair treatments on drug test results
Our scientific expert, Dr. Barry Sample, answers the question: Can products and treatments affect hair drug test results?
Common questions about hair testing
An expert from Quest Diagnostics answers some of the most common questions about hair drug testing.
What you need to know about hair drug testing
Employers choose hair testing to help identify habitual and periodic drug users using its 90-day drug detection window. Get the facts.
Webinar: the true value of electronic Custody and Control Forms (eCCF)
In our upcoming webinar, Flip the switch: why you should turn on digital drug testing, learn the true value of electronic Custody and Control Forms (eCCF).
The new age of marijuana
Our new white paper provides insights about the new age of marijuana and the importance of maintaining marijuana testing in a drug-free workplace program.
3 little known drug testing facts
The goal of drug testing is to help establish and advocate for a healthy, safe work environment. Find out three facts you may not know about drug testing.
Excuses for positive drug tests
The most common excuses for why people fail drug tests include claims about second-hand smoke or accidental consumption. Arm yourself with knowledge to deter cheating.
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.
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.
