Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzymatic Assay (EZA) (2) (-) Enzyme-Linked Immunosorbent Assay (ELISA) (3) (-) Enzyme Immunoassay (EIA) (1) Gas Chromatography (GC) (3) Gas Chromatography/Mass Spectrometry (GC/MS) (14) Sample Type Blood (1) Hair (1) Serum or Plasma (1) Urine (1) Test Area Drugs of Abuse (4) Test Category Analgesics (3) Depressants (5) (-) Sedative/Hypnotics (4) Test Sub-Category Barbiturates (4) Your search has returned no tests.