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) (38) Enzyme Immunoassay (EIA) (11) Gas Chromatography/Mass Spectrometry (GC/MS) (12) Headspace Gas Chromatography (GC) (23) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (6) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (10) Sample Type Fluid (2) Tissue (1) Test Area Drugs of Abuse (1) Postmortem (2) Test Category Drugs of Abuse (1) Therapeutics (2) Test Sub-Category (-) Other (3) Your search has returned no tests.