MAGNESIUM (BLOOD & 24H URINE)
01 Overview
02 Details
Why Get Tested?
To evaluate the level of magnesium in your blood and to help determine the cause of abnormal levels of magnesium, calcium and/or potassium.
When to Get Tested?
When you have symptoms such as weakness, irritability, cardiac arrhythmia, nausea, and/or diarrhea that may be due to too much or too little magnesium; when you have abnormal calcium or potassium levels.
Sample Required?
A blood sample drawn from a vein in your arm; sometimes a timed urine collection that most often requires a 24-hour sample.
Test Preparation Needed?
For a blood sample, overnight fasting may be required; follow any instructions that you are given.