Tag: hair follicle drug test facts
Common questions about hair testing
An expert from Quest Diagnostics answers some of the most common questions about hair drug testing.
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.
Hair drug testing resources
Quest Diagnostics offers additional resources about hair testing for illicit drug use at HairTesting.com.
Hair testing from a leader in science and service
Hair testing provides up to a 90-day detection of repetitive drug use, which can act as a powerful drug use deterrent.