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) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (5) Sample Type Blood (8) Fluid (4) Oral Fluid (Saliva) (1) Serum or Plasma (7) Tissue (3) (-) Urine (6) Test Area Therapeutics (6) Test Category (-) Analgesics (6) Antianxiety (1) Antispasmodics (1) Industrial/Environmental Toxins (1) Test Sub-Category Opiates/Opioids (6) Your search has returned no tests.