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) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (2) 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 (2) Therapeutics (1) Test Category Antihypertensives (1) Metals/Elements (2) Test Sub-Category Beta Blockers (1) (-) Calcium Channel Blockers (1) Other (8) Selective Serotonin Reuptake Inhibitors (SSRI) (1) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (1) Toxic Elements (2) (-) Trace Elements (2) Test Test Name 4180R Selenium, RBCs 4770TI Verapamil, Tissue 4844R Zinc, RBCs