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A 36-year-old member asked:

How hard is it to test if you have pku?

3 doctor answers9 doctors weighed in
Dr. Derrick Lonsdale
Preventive Medicine 73 years experience
Easy: Every newbnorn is tested for this in a state lab in the U.S.. If this was not reported at birth the person does not have pku.
Dr. William Singer
Pediatric Neurology 51 years experience
Simple blood test: the test for PKU is a simple blood test. Testing for PKU is part of the screen done for metabolic disorders.
Dr. James Ferguson
Pediatrics 46 years experience
Simple: Newborns blood is tested before hospital discharge and again at 1-2 weeks. The test relies on increasing abnormal byproducts of protein metabolism if they do not have functioning phenylalanine hydroxylase.To pick up the abnormality, the kid needs to have eaten enough,so the second test makes sure a quickly discharged baby is not missed.It take very little blood.Older kids can also be tested.

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Last updated Apr 20, 2016

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