Magnesium is an essential trace element. Deficiency leads to irritability, neuromuscular abnormalities, cardiac and renal damage. Its salts are used as antacids and cathartics. Excessive amount may cause CNS depression, loss of muscle tone, respiratory and cardiac arrest.
A significant deviation from the normal range may require further evaluation by your physician.
Patient should refrain from taking vitamins, or mineral herbal supplements for at least one week before sample collection. You should always consult the physician prescribing your medication before you stop taking the medication for any reason, including taking lab tests.
Estimated turnaround for results is 4 business days.
Evaluate magnesium deficiency. A Magnesium RBC test can provide an earlier detection of Magnesium deficiency than a standard Magnesium, Serum test. When Magnesium levels are low, the body pulls Magnesium from the cells in order to keep blood levels normal. In this case, a Magnesium, Serum test may show normal levels while a Magnesium RBC test will give a more accurate result. This test is usually ordered if someone is experiencing symptoms associated with Magnesium deficiency such as weakness or cramping in the muscles, confusion, cardiac arrhythmias or seizures. Magnesium levels are usually checked if someone has a disorder which affects the kidneys. It it also ordered to monitor people who are taking Magnesium supplements.