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) (2) Sample Type Blood (1) Serum or Plasma (1) Test Area (-) Exposure (2) Test Category Pesticides/Insecticides (2) Test Sub-Category Cannabinoids (1) Cocaine (8) Designer Benzodiazepines (6) (-) Herbicides (2) Opiates/Opioids (3) Other (2) Stimulants (3) Synthetic Cathinone (3) Test Test Name 1789B Diquat, Blood 1789SP Diquat, Serum/Plasma