Category: Hair testing
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.
Hair drug testing resources
Quest Diagnostics offers additional resources about hair testing for illicit drug use at HairTesting.com.
Trucking and hair testing
More trucking companies are electing to perform a hair drug test in addition to the urine test.
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.
Hair testing advantages
There are a number of advantages that hair drug testing from Quest Diagnostics offers over alternative testing methods. See the benefits.
Product feature – Hair testing
Quest Diagnostics is committed to providing your company with a complete array of drug testing options.
Drug Testing Index with hair testing
New data released today by Quest Diagnostics Incorporated (NYSE: DGX), the nation's leading provider of employment-related drug testing services.
