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 (3) Serum or Plasma (3) (-) Tissue (1) Urine (3) Test Area Therapeutics (1) Test Category Anesthetics (1) (-) Antidepressants (1) Pesticides/Insecticides (1) Volatiles (1) Test Sub-Category Tricyclic (1) Test Test Name 3220TI Nortriptyline, Tissue