Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Colorimetry (C) (2) Enzyme-Linked Immunosorbent Assay (ELISA) (3) (-) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (4) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (53) Sample Type Blood (2) Serum or Plasma (1) Urine (1) Test Area Therapeutics (4) Test Category (-) Analgesics (4) Anesthetics (2) Antianxiety (2) Antidepressants (16) Antipsychotics (3) Other (1) Test Sub-Category Opiates/Opioids (4) Your search has returned no tests.