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/Mass Spectrometry (GC/MS) (1) Sample Type (-) Blood (2) Fluid (1) Serum or Plasma (2) Urine (2) Test Area Drugs of Abuse (2) Test Category Analgesics (9) Anesthetics (1) Antianxiety (1) Antiarrhythmics (2) Anticholinergics (1) Antidepressants (2) Antiepileptics/Antiseizures (1) Antihistamines (2) Antipsychotics (2) (-) Depressants (2) Diagnostic Aids (2) Hallucinogens (1) Muscle Relaxants (2) NPS/Designer Drugs (1) Other (1) Sedative/Hypnotics (2) Stimulants (2) Vasodilators (1) Volatiles (1) Test Sub-Category Benzodiazepines (2) (-) Opiates/Opioids (1) (-) Other (1) Test Test Name 9326B Gamma-Hydroxybutyric Acid Screen, Blood 9343B Heroin Screen, Blood