Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme Immunoassay (EIA) (3) Gas Chromatography (GC) (1) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type Blood (3) Fluid (2) Hair (1) Serum or Plasma (2) Tissue (1) (-) Urine (2) Test Area (-) Therapeutics (2) Test Category (-) Analgesics (2) Anticholinergics (2) Antidepressants (2) Antitussives/Cough Suppressants (2) Decongestants (2) Depressants (1) Diagnostic Aids (1) Sedative/Hypnotics (2) Stimulants (1) Test Sub-Category Opiates/Opioids (2) Test Test Name 9103U Alfentanil Screen, Urine 9264U Sufentanil Screen, Urine