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) (6) (-) Enzyme Immunoassay (EIA) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (18) Sample Type Blood (2) Fluid (1) Hair (1) Serum or Plasma (2) Urine (2) Test Area Therapeutics (8) Test Category Analgesics (3) Depressants (5) Test Sub-Category Barbiturates (4) (-) Benzodiazepines (5) (-) Opiates/Opioids (3) Your search has returned no tests.