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 (3) Serum or Plasma (3) (-) Urine (2) Test Area (-) Therapeutics (2) Test Category Antidepressants (1) Antihypertensives (1) Test Sub-Category Appetite Suppressants (1) (-) Calcium Channel Blockers (1) Opiates/Opioids (1) Other (11) Selective Serotonin Reuptake Inhibitors (SSRI) (1) (-) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (1) Tricyclic (2) Test Test Name 1491U Desvenlafaxine, Urine 1640U Diltiazem, Urine