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Sodium in Blood: About Your Child's Test

What is it?

A sodium test checks for how much sodium is in the blood. Sodium helps the body keep the right mix of water and minerals.

Why is this test done?

A sodium in blood test is done to:

  • Check on the mix of water and certain minerals in the body.
  • Find the cause of symptoms from low or high levels of sodium.
  • Check on the progress of diseases of the kidneys or adrenal glands.

How can you prepare for the test?

In general, you don't need to do anything to prepare for your child's test. Your doctor may give you some specific instructions.

What happens during the test?

A health professional takes a sample of your child's blood.

How long does the test take?

The 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 or nurse call line 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 https://www.healthwise.net/patientEd

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Care instructions adapted under license by your healthcare professional. If you have questions about a medical condition or this instruction, always ask your healthcare professional. Healthwise, Incorporated disclaims any warranty or liability for your use of this information.