Tag: hair 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.
Common questions about hair testing
An expert from Quest Diagnostics answers some of the most common questions about hair drug testing.
Ask the experts: Can hair testing detect one-time drug use?
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.
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.
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.
Request for hair drug testing information
The HHS published an RFI seeking comments on regulatory policies and standards regarding the use of hair specimen for federally-mandated drug testing.
New to drug testing: Drug testing alternatives
We offer a full line of lab-based & instant drug testing products & services that provide much of the same critical information that urine provides.
3,221 Drug users off the road thanks to hair testing
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.
Truck drivers and hair drug testing
While DOT regulations mandate urine drug testing, a number of motor carriers have found value in performing supplemental hair testing.