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 (10) Fluid (3) Serum or Plasma (10) (-) Tissue (2) Urine (6) Test Area Therapeutics (2) Test Category Antihypertensives (2) Test Sub-Category (-) Beta Blockers (2) Calcium Channel Blockers (1) Other (3) Test Test Name 0483TI Atenolol, Tissue 4000TI Propranolol, Tissue