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 Blood (45) Hair (1) Meconium (1) Serum or Plasma (46) (-) Stool (1) Urine (23) Test Area Test Category Test Sub-Category Test Test Name 2551ST Magnesium - Total, Stool