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 blood test is done to:
- Check the water and electrolyte balance of 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 do 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.
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?
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 advice line (811 in most provinces and territories) 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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Current as of: May 13, 2023
Author: Healthwise Staff
Clinical Review Board
All Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.
