Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Inductively Coupled Plasma/Optical Emission Spectrometry (ICP/OES) (1) Sample Type 24 Hour Urine (2) Blood (82) Fluid (16) Hair (5) Liquid (2) Nails (3) Plasma (1) RBCs (2) Serum or Plasma (68) (-) Stool (1) Tissue (11) Urine (55) Test Area Exposure (1) Test Category Metals/Elements (1) Test Sub-Category (-) Macrominerals (1) Test Test Name 2551ST Magnesium - Total, Stool