Newborn disease screening tests for what

Patient's question:

Please ask if the newborn did not have a heel prick test after birth

Doctor's answer:

Analysis of the condition:
Hello, a blood test from the sole of the foot is mainly used to check if the child has hereditary diseases.
Suggestions:
Recommendation: You can have the test now using venous blood. It is not necessary to use blood from the sole of the foot. If the child is affected by neonatal diseases, the family must take the child to the hospital immediately for treatment. Avoid using medication blindly to relieve symptoms. For parents, it is important to pay timely attention to the child's condition and do their best to help the child receive timely treatment for the disease.