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) Headspace Gas Chromatography (GC) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (7) (-) 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 (1) Test Category Antihypertensives (1) Metals/Elements (1) Test Sub-Category Calcium Channel Blockers (1) Toxic Elements (1) Test Test Name 4765B Vanadium, Blood 4770B Verapamil, Blood