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