ABSTRACT: Hiperbilirubin is one of urgency that often occurs in newborns , as much as 25-50% occur in term infants and 80% in infants weighing lahirrendah and an early diagnosis before the occurrence of kernicterus. Hiperbilirubin conditions can lead to biliary encephalopathy (more commonly known as kern icterus)with the consequences in the form of a mild form of brain damage, such as reduc…