Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme Immunoassay (EIA) (1) (-) Gas Chromatography (GC) (4) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (3) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (13) Sample Type Blood (1) Serum or Plasma (1) Urine (2) Test Area (-) Therapeutics (4) Test Category Analgesics (1) Antidepressants (3) Test Sub-Category Barbiturates (5) (-) Opiates/Opioids (1) Other (9) Phenothiazines (5) (-) Tricyclic (3) Your search has returned no tests.