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 (12) Fluid (3) (-) Hair (1) Serum or Plasma (7) Tissue (1) Urine (8) Test Area Therapeutics (1) Test Category (-) Analgesics (1) Test Sub-Category Opiates/Opioids (1) Test Test Name 9291H Fentanyl Screen, Hair