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) Sample Type Blood (2) Fluid (2) (-) Hair (1) Serum or Plasma (2) Tissue (2) (-) Urine (1) Test Area Drugs of Abuse (7) Impairment (4) Postmortem (6) (-) Therapeutics (2) Test Category Analgesics (2) Test Sub-Category Opiates/Opioids (2) Test Test Name 2079U Fentanyl and Metabolite, Urine 9291H Fentanyl Screen, Hair