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) (1) Enzyme-Linked Immunosorbent Assay (ELISA) (7) Enzyme Immunoassay (EIA) (4) Gas Chromatography (GC) (3) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (7) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (13) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (6) Sample Type Blood (3) Fluid (1) Serum or Plasma (1) Urine (2) Test Area (-) Drugs of Abuse (6) (-) Exposure (1) Therapeutics (6) Test Category Analgesics (2) Depressants (4) Volatiles (1) Test Sub-Category Opiates/Opioids (2) Other (5) Your search has returned no tests.