Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme-Linked Immunosorbent Assay (ELISA) (4) Enzyme Immunoassay (EIA) (1) Gas Chromatography (GC) (30) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (2) Gas Chromatography/Mass Spectrometry (GC/MS) (24) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (95) Sample Type Test Area Drugs of Abuse (1) Postmortem (6) Test Category Test Sub-Category Your search has returned no tests.