Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (15) Gas Chromatography/Mass Spectrometry (GC/MS) (3) Sample Type Blood (8) Serum or Plasma (6) Urine (4) Test Area Drugs of Abuse (5) Newborn Tox (1) (-) Therapeutics (18) Test Category Anesthetics (2) Antidepressants (13) Sedative/Hypnotics (3) Test Sub-Category (-) Barbiturates (5) Benzodiazepines (5) Opiates/Opioids (58) Other (18) Phenothiazines (3) (-) Tricyclic (13) Your search has returned no tests.