description: The fields needed to create a MessageHeader for an ICSR Report. package_name: hl7.fhir.us.icsr-ae-reporting derivation: constraint name: ICSRMessageHeader type: MessageHeader elements: destination: elements: receiver: type: Reference mustSupport: true refers: ['http://hl7.org/fhir/us/icsr-ae-reporting/StructureDefinition/icsr-messageorganization'] index: 0 sender: type: Reference refers: ['http://hl7.org/fhir/us/icsr-ae-reporting/StructureDefinition/icsr-messageorganization'] index: 1 focus: type: Reference mustSupport: true refers: ['http://hl7.org/fhir/us/icsr-ae-reporting/StructureDefinition/icsr-composition'] index: 2 package_version: 1.0.1 class: profile kind: resource url: http://hl7.org/fhir/us/icsr-ae-reporting/StructureDefinition/icsr-messageheader base: http://hl7.org/fhir/us/medmorph/StructureDefinition/us-ph-messageheader version: 1.0.1 required: [focus]