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) (1) Sample Type Blood (3) Serum or Plasma (3) Tissue (1) (-) Urine (1) Test Area (-) Therapeutics (1) Test Category Analgesics (5) Anesthetics (2) Antianxiety (1) Anticholinergics (3) Antidepressants (4) Antiepileptics/Antiseizures (1) Antihistamines (1) (-) Antihypertensives (1) Antimicrobials (2) Antipsychotics (1) Antitussives/Cough Suppressants (1) Depressants (1) Diuretics (1) Potassium Channel Blockers (1) Sedative/Hypnotics (4) Stimulants (3) Test Sub-Category Beta Blockers (1) Test Test Name 0483U Atenolol, Urine