This test measures the amount of phosphorus in your child’s blood. Phosphorus is a mineral your child’s body needs to build strong teeth and bones. It’s also important for healthy nerves and muscles.
Phosphorus is also called phosphate. Your child can get phosphate from food.
This test may help diagnose and treat a medical problem you are having. It does not diagnose a specific problem but it can help your healthcare provider know what other tests you might need. It’s also a way to see how well treatment for a disease is working. For example, it may be done to:
Having this test will take just a few minutes. 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 healthcare provider when and how you will get the result of the test. A phosphorus level may also be measured from a urine sample.
Some of the reasons your child’s phosphorus level may be higher than normal are:
Some of the reasons your child’s phosphorus 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: