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) (1) (-) Enzymatic Assay (EZA) (2) Gas Chromatography (GC) (4) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (3) Sample Type (-) Serum or Plasma (1) (-) Urine (1) Test Area Exposure (2) Test Category Other (2) Test Sub-Category (-) Other (2) Test Test Name 3250SP Oxalate, Serum/Plasma 3250U Oxalate, Urine