Tag: hair drug test
Ask the experts: Understanding lab-based and instant drug testing
We help employers to better understand the differences between lab-based and instant drug testing for urine, hair, and oral fluid drug testing.
Industry leadership – Reliable testing
Each and every one of the millions of results that our laboratories release have to be accurate, consistent and reliable.
Industry leadership – Robust products
When it comes to robust products, an industry leader should be able to provide its customers with a wide array of options.
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.
Hair testing advantages
There are a number of advantages that hair drug testing from Quest Diagnostics offers over alternative testing methods. See the benefits.
