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) (1) Enzyme Immunoassay (EIA) (1) (-) Gas Chromatography (GC) (2) Gas Chromatography/Mass Spectrometry (GC/MS) (6) Sample Type (-) Blood (1) Serum or Plasma (1) (-) Urine (1) Test Area Therapeutics (2) Test Category Alcohols (1) Analgesics (4) Anesthetics (2) Antianxiety (2) Antiarrhythmics (2) Anticholinergics (4) Antidepressants (4) Antiepileptics/Antiseizures (1) Antihistamines (3) Antithrombotics (1) Benzodiazepines (2) Depressants (2) Diuretics (1) Muscle Relaxants (2) NPS/Designer Drugs (4) (-) Sedative/Hypnotics (2) Stimulants (2) Volatiles (3) Test Sub-Category Barbiturates (2) Test Test Name 0500B Barbital, Blood 0500U Barbital, Urine