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 (6) Serum or Plasma (6) (-) Tissue (2) Urine (4) Test Area Therapeutics (2) Test Category Analgesics (1) Antianxiety (1) (-) Anticholinergics (1) Anticoagulants (1) Antidepressants (2) Antiepileptics/Antiseizures (1) (-) Antihypertensives (1) Bronchodilators (1) Depressants (2) Metals/Elements (9) Psychoactives (1) Volatiles (1) Test Sub-Category Beta Blockers (1) Other (1) Test Test Name 0483TI Atenolol, Tissue 0620TI Benztropine, Tissue