obsolete neonatal jaundice https://github.com/monarch-initiative/mondo/issues/4480 https://www.malacards.org/card/neonatal_jaundice true OBSOLETE. Jaundice that appears during the neonatal period. In the majority of cases, it appears in the first week of life and is classified as physiologic due to accelerated destruction of erythrocytes and liver immaturity. In a minority of cases it is classified as non-physiologic, appearing in the first twenty four hours after birth, and is associated with underlying diseases including hemolytic disorders, polycythemia, and cephalohematoma. neonatal icterus ICD9:774.6 ICD9:774.5 Reason: is a phenotype and not a disease. Term to consider: neonatal jaundice due to ABO incompatibility MONDO:0006584 SCTID:387712008 MESH:D007567 neonatal hyperbilirubinemia DOID:2383 neonatal jaundice due to ABO incompatibility