Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Colorimetry (C) (1) Gas Chromatography (GC) (2) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (1) Sample Type Blood (2) (-) Fluid (1) RBCs (1) Serum or Plasma (2) Tissue (1) (-) Urine (2) Test Area Exposure (1) Therapeutics (2) Test Category Antihypertensives (2) Metals/Elements (1) Test Sub-Category (-) Calcium Channel Blockers (2) Other (3) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (3) (-) Toxic Elements (1) Test Test Name 4765U Vanadium, Urine 4770FL Verapamil, Fluid 4770U Verapamil, Urine