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/Mass Spectrometry (GC/MS) (1) Sample Type Blood (14) Fluid (1) Serum or Plasma (15) (-) Tissue (1) Urine (12) Test Area Drugs of Abuse (1) (-) Therapeutics (1) Test Category Antidepressants (1) Test Sub-Category Tricyclic (1) Test Test Name 3220TI Nortriptyline, Tissue