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) (7) Enzyme-Linked Immunosorbent Assay (ELISA) (26) Enzyme Immunoassay (EIA) (6) Gas Chromatography/Mass Spectrometry (GC/MS) (15) (-) Gas Chromatography/Mass Spectrometry (GC/MS), Dual Scan (1) Headspace Gas Chromatography (GC) (19) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (5) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (17) Sample Type (1) Fluid (4) Tissue (3) Test Area Drugs of Abuse (1) Postmortem (6) Test Category Drugs of Abuse (1) Therapeutics (6) Test Sub-Category Other (7) Your search has returned no tests.