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) (1) Sample Type Blood (2) (-) Serum or Plasma (1) Urine (2) Test Area Therapeutics (1) Test Category Analgesics (1) Test Sub-Category Antibiotics (1) (-) Opiates/Opioids (1) Other (15) Selective Serotonin Reuptake Inhibitors (SSRI) (1) Stimulants (1) Synthetic Cannabinoids (1) Toxic Elements (3) Trace Elements (2) Test Test Name 4240SP Sufentanil, Serum/Plasma