Category: Drug Testing

Oral Fluid testing

Understanding oral fluid testing terminology

May 23, 2019 By

Oral fluid drug testing systems represent cutoffs as neat rather than diluted. Our expert explains the difference.

Hair testing

Hair testing webinar in review

May 17, 2019 By

In the third and final installment of our webinar series, Back to basics, we focused on hair drug testing and combed through the key features.

Hair testing

Ask the experts: Can hair testing detect one-time drug use?

May 14, 2019 By

Employers who look for solutions to detect one-time drug use often ask if hair testing may be a viable option. We help to provide insight.

Hair testing

Back to basics webinar series: hair drug testing

April 17, 2019 By

Untangling the benefits of this drug testing type, Quest experts provide insightful information in our upcoming webinar, Back to basics: hair drug testing.

Collections

Ask the experts: what is a direct observation drug test collection?

April 9, 2019 By

Drug test collections are a critical part of the drug testing process. Ensuring the integrity of specimens collected is equally as important.

Collections

Preferred collection sites available at Walmart

April 3, 2019 By

Effective May 1, 2019, all Walmart PCS locations will be identified as “preferred sites” instead of “Patient Service Centers” in our network

Oral Fluid testing

Expert emphasizes benefits of oral fluid drug testing

March 22, 2019 By

An observed collection ranks as a key benefit of oral fluid drug testing because it reduces the opportunity for a donor to alter or tamper with their specimen.

Collections

Drug test collections at-a-glance

March 14, 2019 By

Quality collections play a key role in the drug testing process. We provide insights into the important role of trained collectors and our nationwide collection network.

Urine testing

A closer look: specimen validity testing

March 12, 2019 By

With the use of specimen validity testing (SVT), once a specimen arrives at our laboratory, we help ensure the integrity of each test.

Oral Fluid testing

Back to basics webinar series: oral fluid drug testing

March 1, 2019 By

Dr. Kimberly Samano discusses the benefits of oral fluid drug testing in our webinar, Back to basics: Oral fluid drug testing.