State-of-the-art testing technologies

As an industry leader in toxicology, Quest Diagnostics uses a variety of complex, state-of-the-art testing technologies to better detect particular drugs or drug classses.

Our comprehensive testing technologies include:

  • Liquid chromatography coupled with mass spectrometry (LC-MS/MS)
  • Enhanced immunoassays

When collecting a urine drug test is not possible or practical due to a patient’s condition, we offer Oral-Eze®, a patented oral fluid collection device.


Simple collection with Oral-Eze®

- The patented oral fluid collection device has a volume adequacy indicator window that takes the guesswork out of specimen collection

- The collection pad has no salty or citric taste, providing patient comfort

- The collection time typically takes about 5 minutes, reducing time in the office and improving patient convenience