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) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (9) Serum or Plasma (6) (-) Tissue (2) Urine (6) Test Area Exposure (1) Therapeutics (1) Test Category (-) Antidepressants (1) Pesticides/Insecticides (1) (-) Volatiles (1) Test Sub-Category Other (1) Tricyclic (1) Test Test Name 3220TI Nortriptyline, Tissue 3974TI Propane, Tissue