description: 'Provides an alternative value for the element carrying this extension that is the correct value for a particular range of FHIR versions other than the default value. This extension is found in contexts where a definition is applying to more than one version, usually defining extensions, and should only be used in context that clearly document how a cross-version definition is used. While there are no limitations to where this extension can be used, known uses are: StructureDefinition.context, ElementDefinition.type, ElementDefinition.additionalBinding and ... ' package_name: hl7.fhir.uv.extensions derivation: constraint name: VersionSpecificValue type: Extension elements: extension: type: Extension short: Starting Version index: 0 slicing: slices: value: match: {} schema: type: Extension short: Starting Version _required: true index: 0 extensions: {} elements: valueCode: {type: code, choiceOf: value, index: 6} valueDecimal: {type: decimal, choiceOf: value, index: 9} valueCanonical: {type: canonical, choiceOf: value, index: 11} value: choices: [valueString, valueCode, valueInteger, valueBoolean, valueDecimal, valueUrl, valueCanonical] index: 4 valueString: {type: string, choiceOf: value, index: 5} valueBoolean: {type: boolean, choiceOf: value, index: 8} extension: {index: 1} url: type: uri pattern: {type: Uri, value: value} index: 2 valueInteger: {type: integer, choiceOf: value, index: 7} valueUrl: {type: url, choiceOf: value, index: 10} required: [valueString, valueCode, valueCanonical, valueDecimal, value, valueBoolean, valueUrl, valueInteger] startFhirVersion: match: {} schema: type: Extension short: Starting Version _required: true index: 12 extensions: {} elements: extension: {index: 13} url: type: uri pattern: {type: Uri, value: startFhirVersion} index: 14 value: choices: [valueCode] index: 16 valueCode: {type: code, choiceOf: value, index: 17} required: [valueCode, value] endFhirVersion: match: {} schema: type: Extension short: Ending Version _required: true index: 18 extensions: {} elements: extension: {index: 19} url: type: uri pattern: {type: Uri, value: endFhirVersion} index: 20 value: choices: [valueCode] index: 22 valueCode: {type: code, choiceOf: value, index: 23} required: [valueCode, value] url: pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/version-specific-value'} index: 24 value: choices: [] index: 26 package_version: 5.3.0-ballot extensions: value: url: null type: Extension short: Starting Version _required: true index: 0 extensions: {} elements: valueCode: {type: code, choiceOf: value, index: 6} valueDecimal: {type: decimal, choiceOf: value, index: 9} valueCanonical: {type: canonical, choiceOf: value, index: 11} value: choices: [valueString, valueCode, valueInteger, valueBoolean, valueDecimal, valueUrl, valueCanonical] index: 4 valueString: {type: string, choiceOf: value, index: 5} valueBoolean: {type: boolean, choiceOf: value, index: 8} extension: {index: 1} url: type: uri pattern: {type: Uri, value: value} index: 2 valueInteger: {type: integer, choiceOf: value, index: 7} valueUrl: {type: url, choiceOf: value, index: 10} required: [valueString, valueCode, valueCanonical, valueDecimal, value, valueBoolean, valueUrl, valueInteger] startFhirVersion: url: null type: Extension short: Starting Version _required: true index: 12 extensions: {} elements: extension: {index: 13} url: type: uri pattern: {type: Uri, value: startFhirVersion} index: 14 value: choices: [valueCode] index: 16 valueCode: {type: code, choiceOf: value, index: 17} required: [valueCode, value] endFhirVersion: url: null type: Extension short: Ending Version _required: true index: 18 extensions: {} elements: extension: {index: 19} url: type: uri pattern: {type: Uri, value: endFhirVersion} index: 20 value: choices: [valueCode] index: 22 valueCode: {type: code, choiceOf: value, index: 23} required: [valueCode, value] class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/version-specific-value base: http://hl7.org/fhir/StructureDefinition/Extension version: 5.3.0-ballot required: [extension]