Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (3) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (3) Sample Type Blood (2) Serum or Plasma (2) Urine (2) Test Area (-) Drugs of Abuse (6) Exposure (14) Test Category Depressants (13) (-) NPS/Designer Drugs (6) Stimulants (5) Test Sub-Category Opiates/Opioids (6) Your search has returned no tests.