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) Gas Chromatography (GC) (6) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (2) Gas Chromatography/Mass Spectrometry (GC/MS) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (52) (-) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (3) Sample Type Blood (1) Serum or Plasma (1) Urine (1) Test Area (-) Drugs of Abuse (3) Postmortem (1) Test Category NPS/Designer Drugs (3) Test Sub-Category Other (3) Your search has returned no tests.