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) (1) Gas Chromatography (GC) (5) Gas Chromatography/Mass Spectrometry (GC/MS) (8) Sample Type Blood (4) Serum or Plasma (6) Urine (6) Test Area Drugs of Abuse (3) Therapeutics (13) Test Category Antidepressants (6) Benzodiazepines (3) (-) Sedative/Hypnotics (16) Test Sub-Category (-) Barbiturates (16) Your search has returned no tests.