Inherited metabolic diseases: PKU not suspected, further investigation required
Inform specialist or designated phenylketonuria (PKU) teams that a baby's newborn blood spot screen has found raised levels of phenylalanine and tyrosine.
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Letter template to tell clinicians a newborn blood spot screen has found a baby to have raised phenylalanine and tyrosine.
The letter specifies that the issue requires further investigation but the results are not suggestive of phenylketonuria.