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) (2) Gas Chromatography (GC) (12) Gas Chromatography/Mass Spectrometry (GC/MS) (8) Headspace Gas Chromatography (GC) (15) 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 (1) Serum or Plasma (1) Test Area Therapeutics (2) Test Category Antiarrhythmics (3) Antipsychotics (3) (-) Antithyroids (2) Dopamine Precursor (1) Test Sub-Category Other (2) Test Test Name 2892B Methimazole, Blood 2892SP Methimazole, Serum/Plasma