Category: Drug Testing

Hair testing

Hair testing now includes more specific testing for oxycodones

June 3, 2019 By

Recent enhancements to our hair testing panels now allow for more specific testing for opiate-like or opioid drug such as oxycodone and its metabolites.

Hair testing

Common questions about hair testing

May 29, 2019 By

Quest Diagnostics answered many questions about hair drug testing during our webinar, but here are a few of the most commonly asked questions.

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.

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.

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.

Drug Testing

6 highlights from our urine drug testing webinar

February 28, 2019 By

We kicked off our three-part webinar series, Back to basics, focusing on urine drug testing. Read six highlights from the webinar surrounding best practices for collections and laboratory processes that help to ensure an accurate urine drug test.