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) (3) Sample Type Serum or Plasma (3) Test Area Exposure (2) Therapeutics (1) Test Category (-) Antithrombotics (3) NPS/Designer Drugs (3) Test Sub-Category (-) Anticoagulants (3) Antiplatelet Agents (2) Your search has returned no tests.