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) Sample Type Blood (4) Fluid (1) Serum or Plasma (4) (-) Tissue (1) Urine (2) Test Area Therapeutics (1) Test Category Antihypertensives (1) Test Sub-Category Alcohols (3) Antiarrhythmics (1) Antimalarials (1) Antipyretics (1) Barbiturates (1) Benzodiazepines (4) Beta-2 Andrenergic Agonists (1) Beta Blockers (2) (-) Calcium Channel Blockers (1) Cannabinoids (1) Cardiac Glycosides (1) CNS Stimulants (1) Cocaine (1) Metals/Elements (1) Non-Benzodiazepines (1) Opiates/Opioids (9) Other (49) Phenothiazines (1) Selective Serotonin Reuptake Inhibitors (SSRI) (4) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (1) Toxic Elements (7) Trace Elements (4) Tricyclic (3) Test Test Name 4770TI Verapamil, Tissue