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) (6) Enzyme Immunoassay (EIA) (16) (-) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (7) Gas Chromatography/Mass Spectrometry (GC/MS) (7) Headspace Gas Chromatography (GC) (9) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (20) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (5) Sample Type Blood (13) Serum or Plasma (8) (-) Urine (7) Test Area Therapeutics (6) Test Category Analgesics (1) Antianxiety (1) Antidepressants (4) Test Sub-Category Opiates/Opioids (1) Other (2) Tricyclic (3) Your search has returned no tests.