Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Headspace Gas Chromatography (GC) (1) (-) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Serum or Plasma (1) Test Area Therapeutics (1) Test Category Antidepressants (2) (-) Antigout Agents (1) Antipsychotics (1) Volatiles (2) Test Sub-Category Other (1) Test Test Name 0213SP Allopurinol and Metabolite, Serum/Plasma