Provide an exemption from newborn screening for certain diseases or conditions

This bill amends Nebraska's newborn screening law to explicitly allow parents or guardians to object to screening for specified metabolic disorders. It affects parents who wish to decline the standard screening tests for conditions like phenylketonuria, congenital hypothyroidism, and others listed in the law. The key change adds a provision stating that screening is not required if a parent or guardian objects, while maintaining the existing list of screened conditions. This exemption applies to all diseases currently mandated under the law, removing the legal requirement for screening when objections are raised.