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) (1) Sample Type (-) Blood (1) Serum or Plasma (1) Urine (1) Test Area Therapeutics (1) Test Category Antihypertensives (1) Test Sub-Category Alpha Blockers (1) Antiplatelet Agents (1) Appetite Suppressants (1) Benzodiazepines (2) (-) Calcium Channel Blockers (1) Cannabinoids (4) Cardiac Glycosides (1) Designer Benzodiazepines (1) Drug Facilitated Sexual Assault (1) Herbicides (1) Insecticides (2) NSAIDs (1) Opiates/Opioids (2) Other (36) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (2) Thiazides (1) Tricyclic (3) Test Test Name 1640B Diltiazem, Blood