Most states have mandatory phenylketonuria (PKU) screening several days after birth to rule out phenylalanine amino acids in blood that can cause which disorder?

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Phenylketonuria (PKU) is a genetic disorder that results in the body's inability to break down the amino acid phenylalanine. High levels of phenylalanine can lead to intellectual disability if not treated, which is why newborns are screened for PKU to start dietary management if necessary.

Most States Have Mandatory Phenylketonuria (PKU) Screening Several Days After