asphyxia neonatorum A respiratory system disease that is characterized by deprivation of oxygen to a newborn infant that lasts long enough during the birth process to cause physical harm, usually to the brain. ICD10CM:P84 MESH:D001238 DOID:11088 Asphyxia - birth GARD:5857 ICD9CM:768.9 Asphyxia, in liveborn infant Birth asphyxia UMLS_CUI:C0004045 SNOMEDCT_US_2020_03_01:413654009 MESH:D001238 disease_ontology postnatal asphyxia respiratory system disease