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 24 Hour Urine (1) Blood (11) (-) Fluid (2) Hair (2) Liquid (1) Nails (1) RBCs (2) Serum or Plasma (13) (-) Tissue (1) Urine (12) 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 4486FL Titanium, Fluid 4770FL Verapamil, Fluid 4770TI Verapamil, Tissue