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 (1) (-) Serum or Plasma (1) (-) Urine (1) Test Area Therapeutics (2) Test Category (-) Antiarrhythmics (2) Antihypertensives (12) Test Sub-Category (-) Beta Blockers (2) Test Test Name 3227SP Beta-Blockers Panel, Serum/Plasma 3227U Beta-Blockers Panel, Urine