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) (2) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (5) Sample Type Blood (11) (-) Fluid (5) Meconium (1) Oral Fluid (Saliva) (1) Serum or Plasma (10) Tissue (4) Urine (7) Test Area Therapeutics (5) Test Category Analgesics (4) Antipsychotics (1) Test Sub-Category Opiates/Opioids (4) Other (1) Your search has returned no tests.