Section 862.1113 - Bilirubin (total and unbound) in the neonate test system(a)Identification. A bilirubin (total and unbound) in the neonate test system is a device intended to measure the levels of bilirubin (total and unbound) in the blood (serum) of newborn infants to aid in indicating the risk of bilirubin encephalopathy (kernicterus).(b)Classification. Class I.54 FR 30206, July 19, 1989