Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) 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 (-) Pesticides/Insecticides (1) Test Sub-Category (-) Herbicides (1) Insecticides (2) Other (2) Test Test Name 1789SP Diquat, Serum/Plasma