Tag: testsure
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.
A Closer Look: Unit Codes and their purpose
Drug testing terminology is expansive and sometimes complex. For that reason we're providing clarity to one of the most commonly misused terms.
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.
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.
