Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type (-) Blood (1) Serum or Plasma (1) (-) Urine (1) Test Area Therapeutics (2) Test Category Antihypertensives (2) Test Sub-Category Alpha-2 Adrenergic Agonists (2) Alpha/Beta Adrenergic Agonists (2) Alpha Blockers (1) Antihistamines (3) Antimalarials (2) Antiplatelet Agents (1) Appetite Suppressants (2) Benzodiazepines (10) (-) Calcium Channel Blockers (2) Cannabinoids (4) Cardiac Glycosides (1) Cocaine (4) Designer Benzodiazepines (4) Diuretics (1) Herbicides (1) Insecticides (3) NSAIDs (2) Opiates/Opioids (3) Other (83) Phenothiazines (2) Selective Serotonin Reuptake Inhibitors (SSRI) (5) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (2) Stimulants (2) Synthetic Cathinone (2) Thiazides (1) Toxic Elements (2) Trace Elements (8) Tricyclic (5) Test Test Name 1640B Diltiazem, Blood 1640U Diltiazem, Urine