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) (3) Enzyme-Linked Immunosorbent Assay (ELISA) (1) (-) Enzyme Immunoassay (EIA) (5) Gas Chromatography (GC) (11) Gas Chromatography/Mass Spectrometry (GC/MS) (2) Headspace Gas Chromatography (GC) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (9) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (1) Sample Type (-) Urine (5) Test Area Drugs of Abuse (5) Test Category Drugs of Abuse (5) Test Sub-Category (-) Other (5) Your search has returned no tests.