Phenylketonuria (PKU) Test

Phenylketonuria (PKU) Test

How It Is Done

Your baby's heel is cleaned with alcohol and then the heel is poked with a small needle. Several drops of blood are collected inside circles on a special piece of paper. When enough blood has been collected, a small bandage is put on the site.

Author:
Healthwise Staff
Medical Review:
John Pope, MD - Pediatrics
Chuck Norlin, MD - Pediatrics
Last Updated:
June 19, 2012
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Why It Is Done
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How It Is Done
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