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) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (1) Sample Type Blood (3) (-) Fluid (2) Hair (2) Liquid (2) Nails (2) RBCs (2) Serum or Plasma (3) (-) Tissue (1) Urine (2) Test Area Exposure (1) Therapeutics (2) Test Category Antihypertensives (2) Metals/Elements (1) Test Sub-Category Beta Blockers (2) (-) Calcium Channel Blockers (2) Other (15) Selective Serotonin Reuptake Inhibitors (SSRI) (2) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (2) Toxic Elements (1) (-) Trace Elements (1) Test Test Name 4770FL Verapamil, Fluid 4770TI Verapamil, Tissue 4844FL Zinc, Fluid