description: This cross-version extension represents Citation.citedArtifact.webLocation.classifier from http://hl7.org/fhir/StructureDefinition/Citation|5.0.0 for use in FHIR R4B. package_name: hl7.fhir.uv.xver derivation: constraint name: Ext_R5_Citation_ci_we_classifier type: Extension elements: url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: 'http://hl7.org/fhir/5.0/StructureDefinition/extension-Citation.citedArtifact.webLocation.classifier'} index: 0 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} short: Code the reason for different URLs, e.g. abstract and full-text choices: [valueCodeableConcept] index: 2 valueCodeableConcept: base: {max: '1', min: 0, path: 'Extension.value[x]'} type: CodeableConcept short: Code the reason for different URLs, e.g. abstract and full-text choiceOf: value index: 3 package_version: r5.r4b-0.0.1-snapshot-2 class: extension kind: complex-type url: http://hl7.org/fhir/5.0/StructureDefinition/extension-Citation.citedArtifact.webLocation.classifier base: http://hl7.org/fhir/StructureDefinition/Extension|4.3.0 version: 0.0.1-snapshot-2 required: [url]