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) (1) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type Blood (22) Fluid (3) Serum or Plasma (23) (-) Tissue (2) Urine (10) Test Area Therapeutics (2) Test Category (-) Antihypertensives (2) Test Sub-Category Beta Blockers (2) Test Test Name 0483TI Atenolol, Tissue 4000TI Propranolol, Tissue