sudden unexplained death in childhood https://github.com/monarch-initiative/mondo/issues/8635 UMLS:C3827273 The sudden unexpected death of a person age 1 to 18 years that remains unexplained after a thorough case investigation, including performance of a complete autopsy with ancillary testing, and review of the clinical history and circumstances of death. MEDGEN:820021 MONDO:1010117 sudden unexpected death in pediatrics