Icterus neonatorum, or neonatal jaundice, has long been recognized.¹ The term “kernicterus” was introduced in the early 1900s to refer to the yellow staining of the basal ganglia observed in infants who died with severe jaundice.² From the 1950s through the 1970s, because of a high incidence of Rh hemolytic disease and kernicterus, pediatricians were aggressive in treating jaundice.³ However, several factors have changed the management of jaundice. Studies in the 1980s and 1990s suggested that kernicterus from jaundice was rare and that too many infants were being treated unnecessarily.⁴–⁷ Also, newborn infants were being discharged from the hospital . . .