// Cause of Death { "id" : "<string>", // Unique id for inter-element referencing "extension": [ { // C? R! Only One! Cause of Death Code "url": "https://github.com/BIH-CEI/RareLink/StructureDefinition/cause-of-death-code", "valueCodeableConcept" : {CodeableConcept} // C? Value of extension }, { // C? R! Only One! Cause of Death Definition "url": "https://github.com/BIH-CEI/RareLink/StructureDefinition/cause-of-death-definition", "valueCodeableConcept" : {CodeableConcept} // C? Value of extension } ], "url" : "https://github.com/BIH-CEI/RareLink/StructureDefinition/cause-of-death", // R! }