Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Colorimetry (C) (1) Gas Chromatography (GC) (1) (-) 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 Analgesics (2) Antidepressants (3) Antidiabetics (4) Antiepileptics/Antiseizures (10) Antihistamines (4) Antipsychotics (11) Appetite Suppressants (3) (-) Herbicides (2) Immunosuppressants (3) NPS/Designer Drugs (1) Opiate/Opioid Antagonists (7) Other (2) Perfluorinated Compounds (4) Plasticizers (1) Solvents (1) Stimulants (7) Test Sub-Category (-) Other (2) Test Test Name 3325B Paraquat, Blood 3325SP Paraquat, Serum/Plasma