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 (8) Fluid (4) Serum or Plasma (10) (-) Tissue (1) Urine (4) Test Area Therapeutics (1) Test Category (-) Analgesics (1) Anesthetics (1) Antidepressants (1) Antimicrobials (1) Antipsychotics (1) Antitussives/Cough Suppressants (1) Metals/Elements (4) Mood Stabilizers (1) Sedative/Hypnotics (3) Solvents (2) Volatiles (5) Test Sub-Category Opiates/Opioids (1) Test Test Name 2079TI Fentanyl and Metabolite, Tissue