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) (5) Enzyme Immunoassay (EIA) (1) Gas Chromatography (GC) (3) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (4) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (11) Sample Type Blood (3) Fluid (2) Serum or Plasma (2) Tissue (1) Urine (1) Test Area Therapeutics (9) Test Category Analgesics (9) Test Sub-Category Barbiturates (3) Macrominerals (2) (-) Opiates/Opioids (9) Other (9) Your search has returned no tests.