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) (3) Enzyme Immunoassay (EIA) (1) (-) Gas Chromatography (GC) (3) Gas Chromatography/Mass Spectrometry (GC/MS) (12) Sample Type Blood (1) Serum or Plasma (1) Urine (1) Test Area Therapeutics (3) Test Category Analgesics (8) Anesthetics (4) Antianxiety (3) Antiarrhythmics (3) Anticholinergics (7) Antidepressants (9) Antiepileptics/Antiseizures (2) Antihistamines (4) Antineoplastics (1) Antipsychotics (1) Antithrombotics (3) Benzodiazepines (3) Depressants (6) Diuretics (2) Drugs of Abuse (2) Metals/Elements (1) Muscle Relaxants (5) NPS/Designer Drugs (6) Other (1) (-) Sedative/Hypnotics (3) Stimulants (3) Volatiles (3) Test Sub-Category Barbiturates (3) Test Test Name 0500B Barbital, Blood 0500SP Barbital, Serum/Plasma 0500U Barbital, Urine