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 (2) Serum or Plasma (3) (-) Urine (1) Test Area Therapeutics (1) Test Category Analgesics (2) Anesthetics (1) Antianxiety (1) (-) Antiarrhythmics (1) Anticholinergics (2) Antidepressants (2) Benzodiazepines (1) Depressants (1) Muscle Relaxants (1) NPS/Designer Drugs (2) Stimulants (1) Test Sub-Category Beta Blockers (1) Test Test Name 3227U Beta-Blockers Panel, Urine