description: Encounter for following up on this information. package_name: hl7.fhir.dk.kl.gateway.care derivation: constraint name: KLGatewayCareFollowUpEncounterExtension type: Extension elements: extension: {index: 0} url: pattern: {type: uri, value: 'http://gateway.kl.dk/1.0/StructureDefinition/klgateway-care-follow-up-encounter-extension'} type: uri index: 1 value: choices: [valueReference] index: 3 valueReference: type: Reference choiceOf: value refers: ['http://gateway.kl.dk/1.0/StructureDefinition/klgateway-care-encounter'] index: 4 package_version: 1.0.0 extensions: {} class: extension kind: complex-type url: http://gateway.kl.dk/1.0/StructureDefinition/klgateway-care-follow-up-encounter-extension base: http://hl7.org/fhir/StructureDefinition/Extension version: '1.0' required: [value, valueReference]