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) Gas Chromatography (GC) (20) (-) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (2) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (4) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (48) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (5) Sample Type (-) Blood (3) (-) Serum or Plasma (3) Urine (3) Test Area Exposure (5) (-) Therapeutics (6) Test Category Analgesics (2) Antianxiety (2) Sedative/Hypnotics (2) Test Sub-Category Opiates/Opioids (2) Other (4) Your search has returned no tests.