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) (4) Enzyme Immunoassay (EIA) (1) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (16) Sample Type Blood (4) Fluid (3) Serum or Plasma (4) Tissue (2) Urine (3) Test Area Drugs of Abuse (3) Therapeutics (13) Test Category Analgesics (13) Depressants (3) Test Sub-Category Antimalarials (5) Carboxylic Acids (2) Diuretics (3) (-) Opiates/Opioids (16) Organic (4) Other (18) Your search has returned no tests.