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) (1) Sample Type (-) Blood (2) Fluid (1) Serum or Plasma (3) Tissue (1) Urine (2) Test Area Therapeutics (2) Test Category (-) Analgesics (2) Test Sub-Category (-) Antipyretics (2) NSAIDs (1) Opiates/Opioids (1) Your search has returned no tests.