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) Enzyme-Linked Immunosorbent Assay (ELISA) (8) Enzyme Immunoassay (EIA) (1) Gas Chromatography (GC) (12) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (38) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (2) 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