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) (8) Enzyme Immunoassay (EIA) (4) Gas Chromatography (GC) (5) Gas Chromatography/Mass Spectrometry (GC/MS) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (11) Sample Type Blood (10) Fluid (2) Hair (1) Serum or Plasma (8) Tissue (1) Urine (8) Test Area Drugs of Abuse (5) Therapeutics (25) Test Category (-) Analgesics (27) (-) Depressants (3) NPS/Designer Drugs (3) Test Sub-Category Benzodiazepines (9) (-) Opiates/Opioids (30) Other (6) Your search has returned no tests.