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) Gas Chromatography/Mass Spectrometry (GC/MS) (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 Alcohols (1) (-) Analgesics (2) Anticholinergics (2) Antidepressants (2) Antitussives/Cough Suppressants (2) Decongestants (2) Depressants (2) Diagnostic Aids (1) Diuretics (1) NPS/Designer Drugs (1) Sedative/Hypnotics (2) Stimulants (3) Test Sub-Category Opiates/Opioids (2) Test Test Name 9103U Alfentanil Screen, Urine 9264U Sufentanil Screen, Urine