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) (2) Sample Type Blood (4) Fluid (3) Hair (1) RBCs (3) Serum or Plasma (2) (-) Stool (2) Urine (3) Test Area Exposure (2) Test Category Metals/Elements (2) Test Sub-Category (-) Macrominerals (2) Other (1) Test Test Name 2551ST Magnesium - Total, Stool 3765ST Phosphorus - Total, Stool