Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Headspace Gas Chromatography (GC) (1) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (3) (-) Inductively Coupled Plasma/Optical Emission Spectrometry (ICP/OES) (1) Sample Type (-) Fluid (1) Hair (1) Stool (1) Urine (1) Test Area Drugs of Abuse (1) (-) Exposure (1) Therapeutics (6) Test Category Metals/Elements (1) Test Sub-Category Macrominerals (1) Test Test Name 2551FL Magnesium - Total, Fluid