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) (4) Enzyme-Linked Immunosorbent Assay (ELISA) (4) Enzyme Immunoassay (EIA) (1) Gas Chromatography (GC) (11) (-) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (3) Gas Chromatography/Mass Spectrometry (GC/MS) (2) Headspace Gas Chromatography (GC) (11) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (24) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (4) Sample Type Blood (1) Serum or Plasma (1) Urine (1) Test Area Therapeutics (3) Test Category Antidepressants (3) Test Sub-Category Antipyretics (1) Opiates/Opioids (3) (-) Other (3) Your search has returned no tests.