Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Gas Chromatography (GC) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type 24 Hour Urine (1) Blood (18) Fluid (4) Hair (4) Liquid (3) Nails (3) RBCs (4) Serum or Plasma (20) (-) Tissue (2) Urine (17) Test Area Therapeutics (2) Test Category Antidepressants (4) Antiepileptics/Antiseizures (1) (-) Antihypertensives (2) Antipsychotics (2) Pesticides/Insecticides (1) Sedative/Hypnotics (1) Test Sub-Category Beta Blockers (1) Calcium Channel Blockers (1) Test Test Name 4000TI Propranolol, Tissue 4770TI Verapamil, Tissue