Information Service:



  • QDL provide extremely sensitive and accurate drug testing services for both urine and oral fluid specimens. Our services are focused on pain management, substance abuse programs, psychiatric problem pragrams, cardiovascular health and women's health program.

  • In QDL, specimens are initially screened by enzyme immunoassay (EIA) testing method and followed up with highly complex quantitative confirmation testing methods including liquid chromatography – triple quadrupole mass spectrometry (LC-MS/MS) with high accuracy and low cutoff window.

  • Our scientists have developed analytical methodologies for monitoring more than 40 different parent drug compounds and metabolites with low detection window. These drug compounds are among natural and semi synthetic and synthetic opioids, benzodiazepines, synthetic stimulants and illicit.

  • In addition to our developed analytical methodologies, our scientist team can provide customized testing panel according to physician's needs.

  • We provide customized reports within 48 hours turnaround time after receiving the specimens.

  • Furthermore, our highly trained customer service and scientist team would like to provide clients real time support. We answer clinicians' questions and identify problems promptly.