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 (12) Fluid (3) Serum or Plasma (15) (-) Tissue (2) Urine (5) Test Area Therapeutics (2) Test Category Antidepressants (1) (-) Antiepileptics/Antiseizures (1) Antihistamines (1) (-) Antihypertensives (1) Drugs of Abuse (2) Hallucinogens (1) Therapeutics (3) Volatiles (1) Test Sub-Category Beta Blockers (1) Other (1) Test Test Name 3743TI Phenytoin, Tissue 4000TI Propranolol, Tissue