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) (3) Gas Chromatography/Mass Spectrometry (GC/MS) (8) Sample Type Blood (4) Serum or Plasma (5) Urine (5) Test Area Drugs of Abuse (3) Therapeutics (11) Test Category Depressants (11) (-) Sedative/Hypnotics (14) Test Sub-Category (-) Barbiturates (14) Your search has returned no tests.