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) (5) Enzyme Immunoassay (EIA) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (28) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (3) Sample Type Blood (2) Serum or Plasma (2) Urine (1) Test Area Therapeutics (5) Test Category (-) Analgesics (5) Depressants (3) Sedative/Hypnotics (2) Stimulants (6) Test Sub-Category Antipyretics (3) Opiates/Opioids (2) Your search has returned no tests.