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 (5) Blood (45) Fluid (2) Hair (18) Nails (11) RBCs (20) Serum or Plasma (47) (-) Stool (2) Tissue (1) Urine (47) Test Area Test Category Test Sub-Category Test Test Name 1033ST Cathartic Laxatives Profile, Stool 2551ST Magnesium - Total, Stool