Category: Drug Testing

Oral Fluid testing

Detection of recent marijuana use continues to increase significantly in oral fluid testing

November 20, 2014

Data from the Quest Diagnostics Drug Testing Index shows that the detection of marijuana in oral fluid has increased for the second consecutive year.

Collections

Drug test collections video

November 10, 2014

Our most recent video highlights our different drug test collection services and the benefits of each.

News

Oxycodones positivity declines for the second consecutive year

November 6, 2014

The latest data from the Quest Diagnostics Drug Testing Index reports that the positivity rate for prescription opiates declined 8.3% in 2013.

Drug Testing

Avoid common substance abuse program mistakes

October 17, 2014

Mark A. de Bernardo discusses tips to create an effective workplace policy and substance abuse prevention program in our recent webinar.

Drug Testing

Webinar insights: Tracking the trends

October 10, 2014

Dr. Barry Sample, Director of Science and Technology, reviewed key data and insights from the Quest Diagnostics Drug Testing Index.

Drug Testing

Webinar: Tracking the trends

September 18, 2014

Industry expert Dr. Barry Sample discusses the latest data from the Quest Diagnostics Drug Testing Index.

Drug Testing

Webinar: 12 common (and costly) employer mistakes

September 15, 2014

Mark A. de Bernardo discusses how employers can avoid common pitfalls and maximize the effectiveness of substance-abuse prevention programs.

International testing

International drug testing questions & answers

September 12, 2014

Coleen Volksdorf, Manager of International Services, at Quest Diagnostics, was recently featured in the IFDAT Global Insider.

Oral Fluid testing

Ask the experts: Under the influence

September 8, 2014

Is oral fluid is the best drug test specimen type for determining whether an employee is under the influence of drugs – particularly marijuana?

Urine testing

Ask the experts: Urine – the ‘gold standard’ of drug testing

August 28, 2014

Businesses who take part in drug-free workplace programs need flexible testing methods and lab-based urine drug testing offers robust panels.