The magnesium blood test measures the level of magnesium, an essential mineral involved in muscle function, nerve signaling, bone health, and energy production. It is used to help diagnose magnesium deficiency or excess, which can occur due to conditions like malnutrition, kidney disease, or gastrointestinal disorders. Magnesium levels can also provide insights into metabolic or hormonal imbalances. This tests for:

• Magnesium (serum)

Fasting is not required for this lab.

A provider will approve your labs, and your Lab Requisition Form will be emailed to you within 24 business hours. Labcorp will also have this on file. Please bring a valid photo ID to your nearest Labcorp location. Results will be securely emailed as soon as they are available.