Tag: Quest Diagnostics

Urine testing

Thwarting drug test cheaters

May 4, 2021 By

There are safeguards to help employers prevent a job applicant or employee who uses drugs from cheating or altering a drug test. Learn more.

Hair testing

Ask the experts: Hair testing vs. hair follicle testing

April 27, 2021 By

What is the difference between hair drug testing and hair follicle drug testing? We asked a Quest expert to explain.

News

Celebrating Lab Week

April 19, 2021 By

Every April, we honor our lab professionals during Lab Week. Their work makes helps to keep our workplaces safe and drug-free.

News

Challenging the poppy seed defense

April 13, 2021 By

A Quest Diagnostics study helps to answer the question: Can eating poppy seeds produce a positive drug test for a job applicant or employee?

Hair testing

Ask the experts: Effects of hair treatments on drug test results

April 6, 2021 By

Our scientific expert, Dr. Barry Sample, answers the question: Can products and treatments affect hair drug test results?

Drug Testing

Beyond pre-employment drug testing

February 2, 2021 By

Combining one or more reasons for testing is the best way to avoid hiring applicants who use drugs while discouraging drug abuse among employees.

Urine testing

Seven facts about urine drug testing

January 26, 2021 By

Why is urine testing the most frequently used method for workforce drug testing? Get the facts about urine testing from Quest Diagnostics.

Drug Testing

Why choose Quest Diagnostics

January 5, 2021 By

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.

Drug Testing

Comprehensive drug testing solutions

December 15, 2020 By

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.

Drug Testing

New insights from the National Survey on Drug Use and Health

December 8, 2020 By

It is important for employers to examine trends and data, such as NSDUH, that helps to inform a workforce drug testing program.