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) (1) 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