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 24 Hour Urine (2) Blood (14) Fluid (8) Hair (8) Liquid (3) Nails (5) RBCs (10) Serum or Plasma (12) (-) Stool (2) Tissue (4) Urine (12) 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