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 (5) Fluid (1) Serum or Plasma (5) (-) Tissue (2) Urine (2) Test Area Therapeutics (2) Test Category Analgesics (1) (-) Antianxiety (1) Anticholinergics (1) Anticoagulants (1) Antidepressants (1) Antiepileptics/Antiseizures (1) (-) Antihypertensives (1) Bronchodilators (1) Psychoactives (1) Test Sub-Category Benzodiazepines (1) Beta Blockers (1) Test Test Name 0260TI Alprazolam, Tissue 0483TI Atenolol, Tissue