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) (9) Gas Chromatography (GC) (39) Gas Chromatography/Mass Spectrometry (GC/MS) (13) Headspace Gas Chromatography (GC) (29) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (7) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (2) Refractometer (REF) (2) Sample Type Blood (2) Urine (5) Test Area Exposure (7) Test Category Drugs of Abuse (7) Drugs of Abuse, Therapeutics (7) Exposure (1) NPS/Designer Drugs (1) Other (1) Therapeutics (10) (-) Volatiles (7) Test Sub-Category (-) Other (7) Your search has returned no tests.