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) Gas Chromatography (GC) (1) Gas Chromatography/Mass Spectrometry (GC/MS) (3) Sample Type Blood (1) Hair (1) (-) Serum or Plasma (1) Test Area Drugs of Abuse (1) Test Category Analgesics (3) Anesthetics (1) Antianxiety (1) Antiarrhythmics (1) Anticholinergics (2) Antidepressants (2) Antiepileptics/Antiseizures (1) Antineoplastics (1) Antipsychotics (1) Antithrombotics (2) Benzodiazepines (1) Biomarkers (1) Depressants (2) Diuretics (1) Metals/Elements (4) Muscle Relaxants (1) NPS/Designer Drugs (2) (-) Sedative/Hypnotics (1) Stimulants (1) Test Sub-Category Barbiturates (1) Test Test Name 0512SP Barbiturates Screen, Serum/Plasma