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) (3) Enzyme Immunoassay (EIA) (1) Gas Chromatography (GC) (3) Headspace Gas Chromatography (GC) (13) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (5) Sample Type Blood (1) Fluid (1) Serum or Plasma (1) Test Area Therapeutics (3) Test Category Analgesics (5) (-) Depressants (3) Sedative/Hypnotics (2) Stimulants (6) Test Sub-Category Benzodiazepines (3) Your search has returned no tests.