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/Mass Spectrometry (ICP/MS) (4) (-) Inductively Coupled Plasma/Optical Emission Spectrometry (ICP/OES) (2) Sample Type Hair (1) Stool (1) Test Area Test Category Test Sub-Category Test Test Name 2551H Magnesium - Total, Hair 2551ST Magnesium - Total, Stool