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) (-) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (1) Sample Type (-) Blood (1) Serum or Plasma (1) Test Area Therapeutics (1) Test Category Antidepressants (1) Test Sub-Category Opiates/Opioids (1) (-) Tricyclic (1) Test Test Name 8706B Protriptyline, Blood