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) (2) Sample Type (-) Blood (1) (-) Serum or Plasma (1) Tissue (1) Urine (1) Test Area Therapeutics (2) Test Category Antidepressants (2) Test Sub-Category Monoamine Oxidase Inhibitors (MAOI) (2) Opiates/Opioids (2) Organochlorides (3) Other (26) Succinimide (2) Tetracyclics (2) (-) Tricyclic (2) Test Test Name 3220B Nortriptyline, Blood 3220SP Nortriptyline, Serum/Plasma