A mass screening program for newborns, conducted by analyzing a drop of blood taken from the baby's heel 24-72 hours after birth. It uses advanced techniques such as tandem mass spectrometry (MS/MS) and immunological tests for the early detection of a wide range of congenital disorders, including metabolic disorders (such as PKU, fatty acid oxidation disorders), endocrine disorders (such as congenital hypothyroidism, congenital adrenal hyperplasia), blood disorders (such as sickle cell anemia), and other disorders.