Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Colorimetry (C) (6) Enzyme-Linked Immunosorbent Assay (ELISA) (17) Enzyme Immunoassay (EIA) (3) Gas Chromatography/Mass Spectrometry (GC/MS) (10) Headspace Gas Chromatography (GC) (13) (-) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (2) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (7) Sample Type Blood (1) Serum or Plasma (1) Test Area Therapeutics (2) Test Category (-) Antiarrhythmics (2) Test Sub-Category Other (2) Test Test Name 3976B Propafenone, Blood 3976SP Propafenone, Serum/Plasma