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U-M Health SystemThis information is approved and/or reviewed by U-M Health System providers but it is not a tool for self-diagnosis or a substitute for medical treatment. You should speak to your physician or make an appointment to be seen if you have questions or concerns about this information or your medical condition.

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Newborn Screening Tests

What type tests will they perform on my newborn?
Why are these tests necessary?
How can I get the test results?

What type tests will they perform on my newborn?

The hospitals in Michigan work with the Michigan Department of Public Health to provide screening of all newborns for seven different rare but serious diseases. While your new baby is still in the hospital, a few drops of blood will be taken from his or her heel, placed on a special test paper, and sent to the Michigan Department of Public Health Laboratory. This one sample will be used to test for phenylketonuria (FEN-il-KE-to-NU-re-ah) which is also called PKU, and 6 other conditions which could affect the well-being of your newborn.

Why are these tests necessary?

Fortunately, these diseases occur very rarely. Yet, it is important to screen for them because if not treated, they can cause mental retardation, poor growth, and in some cases, death. The good news is that babies with any of these serious conditions do very well if a special diet or medical treatment is started early in life. While symptoms of these diseases may not be seen right away, the blood test, called the "NEWBORN SCREEN" provides early identification so treatment can be started promptly.


How can I get the test results?

The Michigan Department of Public Health will notify your baby's health care provider of the test results. If your baby is tested at less than 24 hours of age, it is recommended that a second test be done within one week of your baby's birth to double check the results. The repeat test can be done by your baby's health care provider.

You will be given written information about the "NEWBORN SCREEN" while you are in the hospital after your baby's birth.

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