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) (2) Sample Type Blood (3) Serum or Plasma (3) (-) Urine (2) Test Area Therapeutics (2) Test Category (-) Antiarrhythmics (1) Antihypertensives (11) Diuretics (1) Drugs of Abuse (3) Drugs of Abuse, Therapeutics (1) Therapeutics (3) (-) Vasodilators (1) Test Sub-Category Beta Blockers (1) Other (1) Test Test Name 3227U Beta-Blockers Panel, Urine 4197U Sildenafil and Metabolite, Urine