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 (GC) (1) Gas Chromatography/Mass Spectrometry (GC/MS) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (4) Sample Type Blood (8) Fluid (3) (-) Serum or Plasma (7) Tissue (1) Urine (4) Test Area (-) Therapeutics (7) Test Category (-) Analgesics (7) Test Sub-Category NSAIDs (5) (-) Opiates/Opioids (7) Other (1) Your search has returned no tests.