Category: Drug Testing
Challenging the poppy seed defense
A Quest Diagnostics study helps to answer the question: Can eating poppy seeds produce a positive drug test for a job applicant or employee?
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.
Would-be cheaters bet on synthetic urine
One popular way that an individual attempts to cheat a urine drug test is synthetic urine. Learn more about safeguards offered by trained collectors at Quest Diagnostics.
Beyond pre-employment drug testing
Combining one or more reasons for testing is the best way to avoid hiring applicants who use drugs while discouraging drug abuse among employees.
Seven facts about urine drug testing
Why is urine testing the most frequently used method for workforce drug testing? Get the facts about urine testing from Quest Diagnostics.
Does workforce drug testing work?
There is a wealth of research that shows that workforce drug testing can help to foster a healthy, safe, drug-free environment.
Why choose Quest Diagnostics
Quest Diagnostics is the only SAMHSA-certified and CAP-FDT-accredited laboratory to offer in-house testing for all three of the most popular drug test types: urine, oral fluid, and hair.
Back to basics – What you need to know about each drug test specimen
Our webinar series teaches you the fundamentals of the most popular drug test specimens to help employers execute a successful workforce drug testing program. Watch now.
Comprehensive drug testing solutions
Drug testing can be complicated, but it doesn’t have to be. We can help employers choose the elements that are most valuable for their employees.
