Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (2) Inductively Coupled Plasma/Optical Emission Spectrometry (ICP/OES) (1) Sample Type Blood (2) Serum or Plasma (1) (-) Urine (2) Test Area Therapeutics (2) Test Category Analgesics (2) Test Sub-Category Biomarkers (1) (-) Opiates/Opioids (2) Other (8) Selective Serotonin Reuptake Inhibitors (SSRI) (1) Stimulants (1) Synthetic Cannabinoids (2) Test Test Name 4240U Sufentanil, Urine 9264U Sufentanil Screen, Urine