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 (7) Fluid (4) Serum or Plasma (9) (-) Tissue (1) Urine (3) Test Area Therapeutics (1) Test Category (-) Analgesics (1) Antimicrobials (1) Antipsychotics (1) Antitussives/Cough Suppressants (1) Muscle Relaxants (1) Other (1) Sedative/Hypnotics (2) Test Sub-Category Opiates/Opioids (1) Test Test Name 2079TI Fentanyl and Metabolite, Tissue