Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Gas Chromatography (GC) (11) Gas Chromatography/Mass Spectrometry (GC/MS) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (77) (-) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (2) Spectrophotometry (SP) (1) Sample Type Blood (1) (-) Serum or Plasma (2) Test Area Exposure (3) (-) Therapeutics (2) Test Category Antiparkinsons (1) Antithrombotics (1) Test Sub-Category Anticoagulants (1) Other (1) Test Test Name 4205SP Sinemet®, Serum/Plasma 4800SP Warfarin, Serum/Plasma