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) (4) Sample Type Serum or Plasma (4) Test Area Exposure (2) Therapeutics (2) Test Category (-) Antithrombotics (4) Test Sub-Category (-) Anticoagulants (4) Antiplatelet Agents (2) NSAIDs (2) Opiates/Opioids (3) Other (9) Your search has returned no tests.