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 (1) Serum or Plasma (1) Urine (1) Test Area Therapeutics (3) Test Category Antidepressants (7) Antigout Agents (1) Antihistamines (3) Antimicrobials (4) Antipsychotics (4) Antitussives/Cough Suppressants (3) Biomarkers (3) Pesticides/Insecticides (5) (-) Sedative/Hypnotics (3) Volatiles (5) Test Sub-Category Barbiturates (3) Test Test Name 0500B Barbital, Blood 0500SP Barbital, Serum/Plasma 0500U Barbital, Urine