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) (2) Enzyme Immunoassay (EIA) (2) Gas Chromatography (GC) (5) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (3) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (17) Sample Type Blood (5) Fluid (2) Serum or Plasma (5) Tissue (1) Urine (4) Test Area Therapeutics (17) Test Category (-) Analgesics (17) Drugs of Abuse (2) Test Sub-Category Beta Blockers (4) Diuretics (2) (-) Opiates/Opioids (17) Your search has returned no tests.