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) (6) Enzyme Immunoassay (EIA) (3) Gas Chromatography (GC) (5) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (11) Sample Type Blood (8) Fluid (2) Hair (1) Serum or Plasma (7) Tissue (1) Urine (6) Test Area Drugs of Abuse (5) (-) Therapeutics (25) Test Category (-) Analgesics (25) Test Sub-Category Benzodiazepines (5) (-) Opiates/Opioids (25) Your search has returned no tests.