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) (2) Enzyme Immunoassay (EIA) (2) Gas Chromatography (GC) (14) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (3) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (6) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (43) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (3) Sample Type Blood (3) Serum or Plasma (3) Urine (2) Test Area Drugs of Abuse (2) Exposure (9) (-) Therapeutics (8) Test Category Analgesics (2) Antianxiety (3) Sedative/Hypnotics (3) Test Sub-Category (-) Opiates/Opioids (2) (-) Other (6) Your search has returned no tests.