description: An extension to support warnings that a list may be incomplete as data has been excluded due to confidentiality or may be missing due to data being in transit. package_name: fhir.r4.ukcore.stu2 derivation: constraint name: ExtensionUKCoreListWarningCode type: Extension elements: url: pattern: {type: uri, value: 'https://fhir.hl7.org.uk/StructureDefinition/Extension-UKCore-ListWarningCode'} type: uri index: 0 value: short: To capture warnings that the list may be incomplete choices: [valueCodeableConcept] index: 2 valueCodeableConcept: {type: CodeableConcept, short: To capture warnings that the list may be incomplete, choiceOf: value, index: 3} package_version: 2.0.2 class: extension kind: complex-type url: https://fhir.hl7.org.uk/StructureDefinition/Extension-UKCore-ListWarningCode base: http://hl7.org/fhir/StructureDefinition/Extension version: 3.1.0 required: [value, valueCodeableConcept]