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) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type Blood (2) Serum or Plasma (3) Test Area Therapeutics (5) Test Category (-) Analgesics (2) (-) Antithrombotics (3) Test Sub-Category (-) Anticoagulants (3) (-) NSAIDs (2) Opiates/Opioids (12) Other (4) Your search has returned no tests.