What is the cpt codes of PKU blood test 2 days old infant?

The CPT code for a phenylketonuria (PKU) blood test in a newborn, typically performed via a heel prick, is 84030. This code is used for the quantitative measurement of phenylalanine levels in the blood. If additional newborn screening tests are performed simultaneously, they may have their own specific CPT codes. Always consult the latest coding guidelines or a medical billing expert for the most accurate information.