What is this test?
Magnesium is essential for muscle and nerve function, heart rhythm and energy metabolism. Deficiency can present with muscle cramps, weakness and palpitations; certain stomach medications and diuretics can lower magnesium levels.
When is it requested?
Magnesium deficiency, diuretic therapy, liver disorders
What does a high Magnesium result mean?
High magnesium is uncommon; it mostly occurs in people with reduced kidney function who take magnesium-containing medicines or supplements.
- Magnesium supplements
- Magnesium-containing antacids or laxatives
- Hemolyzed sample (false high)
- Kidney failure (reduced excretion)
- Dehydration
- Underactive thyroid or adrenal insufficiency
What does a low Magnesium result mean?
Low magnesium is common; poor intake, diarrhea, alcohol and certain medicines are the main causes. It can cause muscle cramps and palpitations.
- Diet low in leafy greens, nuts and whole grains
- Long-term use of acid-reducing drugs (proton pump inhibitors)
- Diuretic medicines
- Regular alcohol use
- Diarrhea, vomiting or malabsorption (e.g., celiac disease)
- Uncontrolled diabetes
- Certain antibiotics and chemotherapy drugs
My result is outside the reference range. What should I do?
Magnesium is often interpreted together with potassium and calcium. Tell your doctor about your medicines and supplements, and ask before starting a supplement on your own.
Reference ranges depend on the method, age and sex; always use the range printed on your report. This information is for general guidance only; consult your doctor for diagnosis and treatment.
Sample information
- Sample type: Serum
- Tube / container: Yellow-top tube
- Sample volume: 1 mL
Preparation
Fasting sample recommended.
Testing and results
- Method: Coul
- Run schedule: Daily
- Turnaround time: 3 hours
Price and appointment
Add the test to your list to receive a price quote by e-mail, or call +90 850 640 07 30 / message us on WhatsApp (+90 537 301 22 14). You can have the test done at our branches or with our home blood collection service. Results can be viewed online with your Turkish ID number (or passport number for foreign nationals).