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 Therapeutics (1) Test Category Anticoagulants (1) (-) Antithrombotics (1) Drugs of Abuse (1) Drugs of Abuse, Therapeutics (4) NPS/Designer Drugs (1) Pesticides/Insecticides (14) Therapeutics (4) Test Sub-Category Anticoagulants (1) Test Test Name 4800B Warfarin, Blood