Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme Immunoassay (EIA) (1) (-) Gas Chromatography (GC) (1) Gas Chromatography/Mass Spectrometry (GC/MS) (3) Sample Type Blood (1) Serum or Plasma (1) (-) Urine (1) Test Area Therapeutics (1) Test Category Analgesics (2) Anesthetics (1) Antianxiety (1) Antiarrhythmics (1) Anticholinergics (2) Antidepressants (2) Antihistamines (1) Benzodiazepines (1) Depressants (1) Muscle Relaxants (1) NPS/Designer Drugs (2) (-) Sedative/Hypnotics (1) Stimulants (1) Volatiles (2) Test Sub-Category Barbiturates (1) Test Test Name 0500U Barbital, Urine