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) (3) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (5) Sample Type (-) Blood (2) Serum or Plasma (1) (-) Urine (1) Test Area Therapeutics (3) Test Category Antianxiety (4) Antiarrhythmics (1) (-) Antidepressants (3) Antihistamines (3) Industrial/Environmental Toxins (1) Pesticides/Insecticides (4) Solvents (7) Stimulants (2) Volatiles (2) Test Sub-Category Tricyclic (3) Test Test Name 1490B Desipramine, Blood 1490U Desipramine, Urine 1905B Dothiepin, Blood