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 (-) Antidepressants (1) Test Sub-Category Benzodiazepines (1) Selective Serotonin Reuptake Inhibitors (SSRI) (1) (-) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (1) Tricyclic (3) Test Test Name 1491B Desvenlafaxine, Blood