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) Sample Type (-) Blood (1) Fluid (1) (-) Serum or Plasma (1) Tissue (1) Urine (1) Test Area (-) Therapeutics (2) Test Category Antihypertensives (2) Test Sub-Category Antifungals (2) Antivirals (1) (-) Calcium Channel Blockers (2) Other (10) Selective Serotonin Reuptake Inhibitors (SSRI) (2) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (3) Test Test Name 4770B Verapamil, Blood 4770SP Verapamil, Serum/Plasma