RBC Magnesium (intracellular)

LabCorp

This test is used to evaluate Magnesium levels in red blood cells.  Magnesium is a mineral that is important for strong bones and muscles heart health energy production and nerve function. A Magnesium RBC test can provide an earlier indicator of Magnesium deficiency that a standard Magnesium serum test. When levels are low the body will pull Magnesium from the cells to keep blood levels normal.  In this case a Magnesium blood test may show normal levels while a Magnesium RBC test will give a more accurate result.

Quest Lab Only

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