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) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (2) Serum or Plasma (1) (-) Tissue (1) Urine (2) Test Area Therapeutics (1) Test Category (-) Antidepressants (1) Test Sub-Category Tricyclic (1) Test Test Name 3220TI Nortriptyline, Tissue