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) (3) Sample Type (-) Blood (2) Serum or Plasma (2) (-) Tissue (1) Urine (1) Test Area (-) Therapeutics (3) Test Category Antihypertensives (3) Test Sub-Category Alkaloids (2) Antipyretics (3) Antivirals (2) Benzodiazepines (3) Beta-2 Andrenergic Agonists (2) (-) Beta Blockers (3) Calcium Channel Blockers (1) Carbonic Anhydrase Inhibitors (1) NSAIDs (1) Opiates/Opioids (1) Other (9) Phenothiazines (1) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (1) Tricyclic (4) Test Test Name 0012B Acebutolol, Blood 0483B Atenolol, Blood 0483TI Atenolol, Tissue