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) (3) Gas Chromatography (GC) (5) Gas Chromatography/Mass Spectrometry (GC/MS) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (15) Sample Type Blood (3) Serum or Plasma (3) Urine (3) Test Area Therapeutics (9) Test Category Alcohols (1) (-) Analgesics (9) Depressants (3) Psychoactives (4) Stimulants (3) Test Sub-Category Opiates/Opioids (9) Your search has returned no tests.