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 (3) Serum or Plasma (3) (-) Urine (1) Test Area Therapeutics (1) Test Category Antidepressants (1) Test Sub-Category Appetite Suppressants (1) Benzodiazepines (1) Calcium Channel Blockers (1) Designer Benzodiazepines (1) Drug Facilitated Sexual Assault (1) Insecticides (1) Opiates/Opioids (2) Other (28) Selective Serotonin Reuptake Inhibitors (SSRI) (1) (-) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (1) Tricyclic (2) Test Test Name 1491U Desvenlafaxine, Urine