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) (-) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (1) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (2) Serum or Plasma (1) (-) Urine (2) Test Area Therapeutics (2) Test Category Antidepressants (1) Antihypertensives (1) Test Sub-Category Benzodiazepines (1) (-) Calcium Channel Blockers (1) Designer Benzodiazepines (1) Opiates/Opioids (2) Other (9) Selective Serotonin Reuptake Inhibitors (SSRI) (1) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (1) (-) Tricyclic (1) Test Test Name 1640U Diltiazem, Urine 8704U Desipramine, Urine