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) (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 (4) Test Category (-) Analgesics (4) Test Sub-Category Beta Blockers (1) NSAIDs (3) (-) Opiates/Opioids (4) Other (2) Your search has returned no tests.