For: , , ,

Quest Diagnostics Test Code: 622

Magnesium is a vital mineral that is needed for essential functions in the body. Magnesium is required in the production of energy, for proper nerve function and potential generation, muscle contraction and the maintenance of strong bones. Magnesium gets in the body via diet or supplements. It can be found in most green vegetables. This test is used to detect magnesium deficiency, which can occur in people with malabsorptive disorders, uncontrolled diabetes or with kidney disease in which a lot of magnesium is lost in the urine.

This test is performed in following conditions such as:

• Cramping
• Muscle weakness
• Twitching
• Cardiac arrhythmias
• Confusion
• Loss of appetite
• Seizures


The Magnesium blood test has no fasting requirements.


Specimen Collected
  • Blood
Estimated Time Taken

Turnaround for the Magnesium test is typically 1-3 business days.

Tests/Packages You May Like