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) (2) (-) Gas Chromatography (GC) (5) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (3) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (17) Sample Type Blood (2) Serum or Plasma (2) Urine (1) Test Area (-) Therapeutics (5) Test Category (-) Analgesics (5) Anesthetics (3) Antacids (3) Antiarrhythmics (5) Antidepressants (6) Antiepileptics/Antiseizures (3) Antineoplastics (2) Antipsychotics (1) Antithyroids (2) Test Sub-Category Opiates/Opioids (5) Your search has returned no tests.