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) (4) Enzyme-Linked Immunosorbent Assay (ELISA) (8) Gas Chromatography (GC) (20) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (5) Gas Chromatography/Mass Spectrometry (GC/MS) (10) Headspace Gas Chromatography (GC) (5) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (26) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (1) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (3) Sample Type (-) Fluid (4) Tissue (3) Test Area Drugs of Abuse (1) Postmortem (3) Test Category Drugs of Abuse (1) Therapeutics (3) Test Sub-Category Other (4) Your search has returned no tests.