Drug testing in the age of legal marijuana: An interview with Faye Caldwell, Esq.

November 14, 2022

The complexities of marijuana continue to challenge employers. We asked an industry expert for her take and what employers should consider.
The value of workplace drug testing

August 10, 2022

Workplace drug testing remains a valuable tool for employers. Understanding the return on the investment can set your mind at ease.
Common questions about hair testing

March 9, 2021 By

An expert from Quest Diagnostics answers some of the most common questions about hair 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.
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 Savings Calculator tabulates ROI

May 21, 2019 By

Our Drug Testing Savings Calculator helps companies evaluate the return on their drug testing investment. Try it out for yourself.

Latest posts

Hair testing

Quest Diagnostics hair testing now includes specific testing for Fentanyl and Methadone

September 13, 2023

Recent enhancements to our hair testing panels now allow for more specific testing for Fentanyl and Methadone.

Drug Testing

How to use the Quest Diagnostics Drug Testing Index™ to make important drug-free workplace decisions

August 30, 2023

The DTI has practical application when considering the best options for a drug-free workplace drug testing program.

Ask the Experts

Expiring Federal Drug Testing CCF

August 16, 2023

Prepare now for the expiration of the old Federal CCF. Using old forms after this date may cause significant delays.

Drug Testing

What Every Employer Should Know About State Drug Testing Laws: Part 2

July 18, 2023

Not every state has a drug testing law, but most have workers’ and unemployment compensation regulations with drug testing laws language.

Drug Testing

What Every Employer Should Know About State Drug Testing Laws: Part 1

July 14, 2023

Employers have many questions about drug testing, That’s in part because no 2 state drug testing laws are exactly alike.

Drug Testing

Old Federal CCFs… Now what?

July 12, 2023

All U.S. Department of Transportation (DOT)-mandated drug test collections will require a new Custody and Control Form. Find out what you need to do to be prepared for the fast-approaching change.