This test measures the amount of magnesium in your child’s blood. Magnesium is a very important nutrient for your child’s body. For example, your child’s nerves, digestive system, and heart all need it to work well. Your child can get magnesium from food and supplements.
This test may help diagnose and treat a medical problem your child is having. It does not diagnose a specific problem but it can help your child’s healthcare provider know what other tests your child might need. It may sometimes be used to see how well treatment is working.
This test may be done to look for or check certain medical conditions, such as:
Having this test will take just a few minutes. For young babies, the heel is pricked and a small amount of the blood is taken. For older children, a small amount of blood is taken from a vein in your child’s arm with a needle. The blood is collected in tubes and sent to a lab.
Ask your child’s healthcare provider when and how you will get the result of your child’s test.
Some of the reasons your child’s magnesium level may be higher than normal are:
Some of the reasons your child’s magnesium level may be lower than normal are:
Test results are only one part of a larger picture that takes into account your child’s medical history, physical exam, and current health. Sometimes a test needs to be repeated to check the first result. Talk to your child’s healthcare provider about the results and ask questions, such as:
If your child’s magnesium level is low, your child’s provider may recommend supplements to bring it back up.