part_of part of part of has phenotype disease dead infant sudden infant death syndrome ICD9:798.0 SNOMEDCT:51178009 Dani Welter crib death SIDS OMIM:272120 MedDRA:10042439 NCIt:C85173 DOID:9007 MedDRA:10042440 Unexpected death in infancy which remains unexplained following autopsy, review of the medical history, and investigation of the death circumstances and death scene.