Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Chemistry Analyzer (1) (-) Colorimetry (C) (4) Enzyme-Linked Immunosorbent Assay (ELISA) (4) Enzyme Immunoassay (EIA) (5) Gas Chromatography (GC) (12) Gas Chromatography/Mass Spectrometry (GC/MS) (4) Headspace Gas Chromatography (GC) (3) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (13) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (1) Sample Type (-) Fluid (1) (-) Urine (3) Test Area Drugs of Abuse (1) Exposure (3) Test Category Biomarkers (1) Drugs of Abuse (1) Other (1) Volatiles (1) Test Sub-Category (-) Other (4) Trace Elements (1) Your search has returned no tests.