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) Sample Type Blood (3) Hair (1) RBCs (1) Serum or Plasma (3) (-) Tissue (1) Urine (3) Test Area Therapeutics (1) Test Category Antidepressants (1) Test Sub-Category CNS Stimulants (1) Opiates/Opioids (1) Other (7) Selective Serotonin Reuptake Inhibitors (SSRI) (1) Toxic Elements (1) (-) Tricyclic (1) Test Test Name 3220TI Nortriptyline, Tissue