Tag: Quest Diagnostics

Drug Testing

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.

Drug Testing

Under the influence: Marijuana in the workplace

September 29, 2022

Is it time for employers to re-evaluate workplace drug testing for marijuana? As you pause to consider marijuana, we are ready to support you

Drug Testing

Weather alert: Hurricane Ian and Quest Diagnostics operations in Florida

September 28, 2022

As hurricane Ian develops, we are keeping you updated on the impact this weather system may have on Quest Diagnostics operations in Florida.

Drug Testing

Five things every employer should know about state drug testing laws

August 31, 2022

Each state has its own unique legal requirements, learn more about the similarities and differences state drug testing laws may present.

Drug Testing

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.

Hair testing

Welcome to the way-back machine called hair testing

August 4, 2021 By

Risk and opportunity are linked, but maybe not in the way you think. Because with hair testing, the elimination of risk is the opportunity.

Drug Testing

Drug test collections – scheduling just got easier

June 22, 2021 By

The new Schedule at Check-in helps make drug test collection scheduling more efficient, consistent, and convenient for donors and employers alike.

Ask the Experts

Ask the Experts: Drug testing cutoffs

June 15, 2021 By

Employers should carefully select a drug test specimen type and cutoff level based on the desired window of detection and regulatory requirements.

Hair testing

Ask the Experts: Hair drug test collections

May 18, 2021 By

The amount of hair needed for a hair drug test is approximately 100 milligrams made up of the first 1-½ inches from the root end. The hair is typically cut from the crown of the back of the head in a manner where it will not be as noticeable. Learn more about hair drug test collections.

Ask the Experts

Ask the experts: Secondhand marijuana smoke

May 11, 2021 By

Can you fail a drug test from secondhand smoke? There are no published, peer-reviewed studies to date that indicate someone would test positive on a drug test due to incidental exposure of marijuana smoke. Learn more from Dr. Barry Sample, Quest Diagnostics.