Question

What is the newborn heel prick test used for?

Answer

The newborn heel prick test is used to screen for certain congenital diseases, including hypothyroidism and phenylketonuria. According to the information you provided, the normal range for thyroid-stimulating hormone (TSH) is 2 to 10 mU/L, and the normal range for serum phenylalanine is 73 to 212 micromoles/L. If abnormal indicators are detected, it is important to seek treatment at a professional hospital early on to avoid serious harm to the child.