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) (1) (-) Headspace Gas Chromatography (GC) (4) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (3) Sample Type Blood (3) Serum or Plasma (3) Test Area Drugs of Abuse (2) Exposure (4) Test Category Analgesics (2) (-) Depressants (2) Hallucinogens (3) (-) Solvents (4) Volatiles (4) Test Sub-Category Opiates/Opioids (2) Organic (4) Your search has returned no tests.