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 (GC) (2) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (3) Sample Type Blood (5) (-) Fluid (1) Serum or Plasma (5) Tissue (1) (-) Urine (2) Test Area Therapeutics (3) Test Category Analgesics (6) Anesthetics (2) Antacids (1) Anticholinergics (1) Antidepressants (7) Antiepileptics/Antiseizures (4) (-) Antihypertensives (3) Antimicrobials (2) Antimigraines (1) Antiparkinsons (1) Antipsychotics (5) Bronchodilators (1) Decongestants (1) Hallucinogens (1) NPS/Designer Drugs (1) Opiates/Opioids (1) Other (1) Pesticides/Insecticides (2) Sedative/Hypnotics (4) Stimulants (2) Sympathomimetic Amines (1) Vasodilators (1) Volatiles (2) Test Sub-Category Alpha-2 Adrenergic Antagonists (1) Beta Blockers (2) Test Test Name 4000FL Propranolol, Fluid 4000U Propranolol, Urine 4830U Yohimbine, Urine