Tag: specimen validity testing

3 Ways Cheaters Cheat
A drug testing program is only as good as its safeguards. Learn some of the most common ways people try to cheat a drug test and how to stop the cheaters. Continue reading

By   /  August 13, 2019

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

By   /  March 12, 2019

A Closer Look: Series introduction
A new year brings new beginnings. That said, we are excited to introduce our new blog series called A Closer Look. Continue reading

By   /  February 8, 2019

Add certainty with specimen validity testing
Quest Diagnostics offers specimen validity testing with varying levels of quality assurance to help ensure the integrity of a urine drug test. Continue reading

By   /  December 18, 2015

How donors cheat drug tests
The use of oxidizing adulterants is one of the most common ways donors try to cheat a urine drug test. Our chart shows different kinds of adulterants. Continue reading

By   /  December 16, 2015

Quest comments for oral fluid mandatory guidelines
HHS published Oral Fluid Mandatory Guidelines which opened a 60-day comment period. Here are our comments in response to the questions posed by HHS. Continue reading

By   /  August 3, 2015

New to drug testing: Specimen validity testing
Collectors keep donors from contaminating specimen, but also take measures at the laboratory to help ensure that your test results are accurate. Continue reading

By   /  February 14, 2014

Adulterant testing using TestSure
To help ensure the integrity of urine drug tests, it’s important to perform specimen validity testing. Continue reading

By   /  September 12, 2011