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 (3) Fluid (2) (-) Hair (1) Serum or Plasma (2) Tissue (1) Urine (2) Test Area Therapeutics (1) Test Category Alcohols (1) (-) Analgesics (1) Drugs of Abuse (3) Test Sub-Category Opiates/Opioids (1) Test Test Name 9291H Fentanyl Screen, Hair