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