Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Colorimetry (C) (1) Headspace Gas Chromatography (GC) (3) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (3) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (1) Sample Type Blood (2) Fluid (1) Serum or Plasma (2) (-) Urine (3) Test Area (-) Drugs of Abuse (3) Exposure (1) Therapeutics (9) Test Category NPS/Designer Drugs (1) Stimulants (2) Test Sub-Category Opiates/Opioids (1) Other (2) Your search has returned no tests.