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) (6) Sample Type (-) Blood (6) Serum or Plasma (4) Urine (3) Test Area (-) Therapeutics (6) Test Category Antidepressants (6) Test Sub-Category Barbiturates (1) Opiates/Opioids (2) Other (2) Phenothiazines (2) (-) Tricyclic (6) Your search has returned no tests.