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 (11) Fluid (2) (-) Hair (1) Serum or Plasma (9) (-) Tissue (1) Urine (9) Test Area Therapeutics (2) Test Category Analgesics (2) Test Sub-Category Benzodiazepines (2) (-) Opiates/Opioids (2) Other (2) Test Test Name 9176TI Fentanyl and Metabolite Screen, Tissue 9291H Fentanyl Screen, Hair