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/Mass Spectrometry (GC/MS) (3) Headspace Gas Chromatography (GC) (3) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (4) Sample Type Blood (1) Serum or Plasma (1) Urine (1) Test Area Therapeutics (3) Test Category Antidepressants (3) Test Sub-Category Barbiturates (8) Other (7) (-) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (3) Small Molecule (2) Your search has returned no tests.