Back
Print 

Phosphate in Blood: About Your Child's Test

Skip Navigation

Top of the page

What is it?

A phosphate test measures the amount of phosphate in your child's blood. Your child's body needs this mineral to build and repair bones and teeth. It also helps nerves and muscles work as they should.

The kidneys help control the amount of phosphate in the blood. A high level of phosphate is usually caused by a kidney problem.

Why is it done?

A test to measure phosphate in blood may be done to:

  • Check on phosphate levels if your child has kidney disease or bone disease.
  • Help find problems with certain glands. This could include the parathyroid glands.

How do you prepare for the test?

Your doctor may ask you not to let your child eat or drink anything other than water for at least 8 hours before the test.

How is the test done?

A health professional uses a needle to take a blood sample, usually from the arm.

How long does the test take?

This test will take a few minutes.

Follow-up care is a key part of your child's treatment and safety. Be sure to make and go to all appointments, and call your doctor if your child is having problems. Ask your doctor when you can expect to have your child's test results.

Where can you learn more?

Go to http://www.healthwise.net/patientEd

Enter P395 in the search box to learn more about "Phosphate in Blood: About Your Child's Test".

Current as of: April 30, 2024

Author: Ignite Healthwise, LLC Staff

Clinical Review Board
All Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.

Current as of: April 30, 2024

Author: Ignite Healthwise, LLC Staff

Clinical Review Board
All Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.

The Health Encyclopedia contains general health information. Not all treatments or services described are covered benefits for Kaiser Permanente members or offered as services by Kaiser Permanente. For a list of covered benefits, please refer to your Evidence of Coverage or Summary Plan Description. For recommended treatments, please consult with your health care provider.