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) (1) Enzyme-Linked Immunosorbent Assay (ELISA) (21) (-) Enzyme Immunoassay (EIA) (6) Gas Chromatography/Mass Spectrometry (GC/MS) (2) Headspace Gas Chromatography (GC) (14) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (9) Sample Type Urine (6) Test Area (-) Drugs of Abuse (6) Impairment (4) Postmortem (4) Therapeutics (1) Test Category Drugs of Abuse (3) Drugs of Abuse, Therapeutics (3) Test Sub-Category Other (6) Your search has returned no tests.