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) (14) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (8) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (3) Sample Type Blood (2) Fluid (1) Serum or Plasma (2) Urine (3) Test Area (-) Drugs of Abuse (8) Exposure (6) Newborn Tox (1) Therapeutics (57) Test Category NPS/Designer Drugs (3) Stimulants (5) Test Sub-Category Opiates/Opioids (3) Other (5) Your search has returned no tests.