Magnesium, Serum
Fasting Required: No

Specimen: Blood

Lab: Quest Diagnostics

Results: 2-3 business days
Note: Result turnaround times are an estimate and are not guaranteed. Our reference lab may need additional time due to weather, holidays, confirmation/repeat testing, or equipment maintenance.

Description: This mineral is particularly important to nerves and muscles. Low magnesium is found in malnutrition, alcoholism, diabetes, hyperparathyroidism, and more. High magnesium is seen in kidney failure.

Alternative Name(s): MAG