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) (10) (-) Enzyme Immunoassay (EIA) (3) Gas Chromatography (GC) (6) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (2) Headspace Gas Chromatography (GC) (9) Sample Type Urine (3) Test Area Drugs of Abuse (3) Test Category Drugs of Abuse (10) (-) Drugs of Abuse, Therapeutics (3) Test Sub-Category Other (3) Your search has returned no tests.