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) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (8) Sample Type Blood (15) Fluid (2) Serum or Plasma (14) (-) Tissue (2) Urine (9) Test Area (-) Therapeutics (2) Test Category Antidepressants (1) Antihypertensives (1) Test Sub-Category Calcium Channel Blockers (1) Other (1) Test Test Name 4655TI Antidepressants Panel 1, Tissue 4770TI Verapamil, Tissue