Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Headspace Gas Chromatography (GC) (3) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) (-) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (1) Sample Type Blood (3) Fluid (1) (-) Serum or Plasma (3) Urine (4) Test Area (-) Drugs of Abuse (3) Exposure (1) Therapeutics (21) Test Category NPS/Designer Drugs (2) Stimulants (1) Test Sub-Category Opiates/Opioids (2) Other (1) Your search has returned no tests.