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) Test Area Therapeutics (6) Test Category Analgesics (2) Depressants (4) Test Sub-Category Barbiturates (3) (-) Benzodiazepines (4) (-) Opiates/Opioids (2) Toxic Elements (1) Your search has returned no tests.