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 Analgesics (6) Anesthetics (3) Antianxiety (2) (-) Antiarrhythmics (2) Anticholinergics (4) Antidepressants (4) Antiepileptics/Antiseizures (1) Antihistamines (3) Antitussives/Cough Suppressants (2) Depressants (4) Diuretics (1) Muscle Relaxants (2) Sedative/Hypnotics (6) Stimulants (2) Test Sub-Category Beta Blockers (2) Test Test Name 3227B Beta-Blockers Panel, Blood 3227U Beta-Blockers Panel, Urine