description: An assertion of whether the code is case sensitive or not. This assertion SHALL be based on how the code system is defined. If the server generating the expansion does not know how the code system defined case sensitivity of codes, this extension SHALL NOT be used. package_name: hl7.fhir.uv.extensions.r3 derivation: constraint name: VSCaseSensitive type: Extension elements: extension: {index: 0} url: pattern: {type: uri, value: 'http://hl7.org/fhir/StructureDefinition/valueset-caseSensitive'} type: uri index: 1 value: choices: [valueBoolean] index: 3 valueBoolean: {type: boolean, choiceOf: value, index: 4} package_version: 5.3.0-ballot extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/valueset-caseSensitive base: http://hl7.org/fhir/StructureDefinition/Extension version: 5.3.0-ballot required: [value, valueBoolean]