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) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (5) Sample Type Blood (13) Fluid (6) Hair (1) Oral Fluid (Saliva) (1) Serum or Plasma (11) Tissue (5) (-) Urine (7) Test Area Therapeutics (7) Test Category (-) Analgesics (6) Antianxiety (1) Antispasmodics (1) Industrial/Environmental Toxins (1) (-) Muscle Relaxants (1) Other (2) Test Sub-Category Opiates/Opioids (6) Other (1) Your search has returned no tests.