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) (4) Gas Chromatography (GC) (1) Gas Chromatography/Mass Spectrometry (GC/MS) (1) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (1) Sample Type Blood (3) Fluid (2) Hair (1) Serum or Plasma (2) Tissue (1) (-) Urine (2) Test Area Therapeutics (2) Test Category Analgesics (2) Test Sub-Category Alkaloids (1) Benzodiazepines (3) Biomarkers (1) CNS Stimulants (1) (-) Opiates/Opioids (2) Other (9) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (1) Sympathomimetic Agents (2) Synthetic Cannabinoids (1) Test Test Name 9103U Alfentanil Screen, Urine 9264U Sufentanil Screen, Urine