Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Gas Chromatography (GC) (2) Headspace Gas Chromatography (GC) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (4) (-) Inductively Coupled Plasma/Optical Emission Spectrometry (ICP/OES) (1) Sample Type Blood (1) (-) Fluid (1) Hair (1) Stool (1) Test Area (-) Exposure (1) Test Category Metals/Elements (1) Test Sub-Category Macrominerals (1) Test Test Name 2551FL Magnesium - Total, Fluid