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 Blockers (1) Anticoagulants (4) Antiplatelet Agents (1) Appetite Suppressants (2) Benzodiazepines (3) Biomarkers (1) (-) Calcium Channel Blockers (2) Cannabinoids (1) Cardiac Glycosides (2) Designer Benzodiazepines (2) Drug Facilitated Sexual Assault (2) Herbicides (1) Insecticides (3) NSAIDs (1) Opiates/Opioids (4) Other (58) Selective Serotonin Reuptake Inhibitors (SSRI) (1) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (3) Thiazides (1) Tricyclic (3) Test Test Name 1640SP Diltiazem, Serum/Plasma 1640U Diltiazem, Urine