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) (2) Sample Type Blood (4) Serum or Plasma (5) (-) Urine (2) Test Area Therapeutics (2) Test Category Analgesics (1) Anticholinergics (1) (-) Antidepressants (2) Antihistamines (1) Antihypertensives (1) Antitussives/Cough Suppressants (4) Diuretics (1) NPS/Designer Drugs (3) Potassium Channel Blockers (1) Test Sub-Category Selective Serotonin Reuptake Inhibitors (SSRI) (1) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (1) Test Test Name 1491U Desvenlafaxine, Urine 1496U Desmethylsertraline, Urine