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) Ion Specific Electrode (ISE) (1) Sample Type Blood (3) Fluid (2) Hair (1) Serum or Plasma (3) Tissue (2) (-) Urine (2) Test Area Exposure (1) Therapeutics (1) Test Category Analgesics (1) Metals/Elements (1) Test Sub-Category Benzodiazepines (3) Carboxylic Acids (1) Diuretics (1) (-) Opiates/Opioids (1) Other (2) Selective Serotonin Reuptake Inhibitors (SSRI) (3) (-) Trace Elements (1) Test Test Name 2079U Fentanyl and Metabolite, Urine 2090U Fluoride, Urine