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/Mass Spectrometry (ICP/MS) (1) Sample Type (-) Blood (1) RBCs (1) Serum or Plasma (1) Urine (1) Test Area Exposure (1) Test Category Metals/Elements (1) Test Sub-Category Alkaloids (1) Antibiotics (1) Antihistamines (1) Antimalarials (1) Benzodiazepines (1) Beta Blockers (1) CNS Stimulants (1) Diuretics (1) Hormones (1) (-) Macrominerals (1) Opiates/Opioids (5) Other (18) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (1) Toxic Elements (1) Trace Elements (2) Test Test Name 2551B Magnesium - Total, Blood