Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme Immunoassay (EIA) (1) (-) Gas Chromatography (GC) (1) Gas Chromatography/Mass Spectrometry (GC/MS) (3) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (10) Sample Type Blood (3) Fluid (1) Serum or Plasma (3) Urine (3) Test Area Therapeutics (10) Test Category (-) Analgesics (10) Test Sub-Category NSAIDs (2) (-) Opiates/Opioids (10) Your search has returned no tests.