Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Gas Chromatography/Mass Spectrometry (GC/MS) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (7) (-) Fluid (2) Serum or Plasma (6) Tissue (1) Urine (4) Test Area Therapeutics (2) Test Category Analgesics (1) Antihypertensives (1) Test Sub-Category Alcohols (1) Barbiturates (1) (-) Beta Blockers (1) Macrominerals (1) (-) Opiates/Opioids (1) Other (6) Selective Serotonin Reuptake Inhibitors (SSRI) (1) Toxic Elements (1) Test Test Name 3990FL Propoxyphene and Metabolite, Fluid 4000FL Propranolol, Fluid