|Determine if metal toxicity or mineral deficiency is contributing to a disorder.|
|Monitor the effects of chelation (elimination of heavy metals from the body).|
Essential: Boron, Chromium, Calcium, Copper, Iron, Magnesium, Manganese, Molybdenum, Phosphorus, Potassium, Selenium, Vanadium, Zinc; Toxic: Arsenic, Cadmium, Lead, Mercury, Thallium
4 mL of packed cells in a royal blue-topped potassium EDTA tube is required. The plasma must be removed and discarded from the specimen within 1 hour of collection.