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 (2) Fluid (1) (-) Hair (1) RBCs (1) Serum or Plasma (1) (-) Stool (1) Urine (1) Test Area Exposure (2) Test Category Metals/Elements (2) Test Sub-Category (-) Macrominerals (2) Other (4) Toxic Elements (1) Trace Elements (2) Test Test Name 2551H Magnesium - Total, Hair 2551ST Magnesium - Total, Stool