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) (4) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type (-) Blood (1) Serum or Plasma (1) Test Area Exposure (1) Test Category Analgesics (3) Antiarrhythmics (2) Anticholinergics (2) Antidepressants (5) Antihistamines (2) Antihypertensives (3) Antitussives/Cough Suppressants (6) Cholinesterase Inhibitors (1) Diuretics (2) NPS/Designer Drugs (6) (-) Pesticides/Insecticides (1) Potassium Channel Blockers (1) Vasodilators (1) Test Sub-Category Herbicides (1) Test Test Name 1789B Diquat, Blood