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) (2) Enzyme-Linked Immunosorbent Assay (ELISA) (7) (-) Enzyme Immunoassay (EIA) (2) Gas Chromatography (GC) (9) Headspace Gas Chromatography (GC) (8) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (40) Sample Type Urine (4) Test Area Drugs of Abuse (2) Exposure (2) Test Category Acids (2) Depressants (1) Hallucinogens (1) Test Sub-Category Carboxylic Acids (2) Opiates/Opioids (1) Other (1) Your search has returned no tests.