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 (10) Fluid (5) Hair (1) Oral Fluid (Saliva) (1) Serum or Plasma (9) Tissue (4) (-) Urine (5) Test Area Therapeutics (5) Test Category (-) Analgesics (5) Antianxiety (1) Industrial/Environmental Toxins (1) Test Sub-Category Opiates/Opioids (5) Your search has returned no tests.