description: This supports the exchange of dates and/or times. The extension date and/or time is carried along with a code to identify the type of date and/or time. package_name: fhir.r4.ukcore.stu3.currentbuild derivation: constraint name: ExtensionUKCoreTypedDateTime type: Extension elements: extension: array: true min: 2 index: 0 slicing: slices: dateTimeType: match: {} schema: short: Code to identify the type of time/date. _required: true index: 1 elements: url: pattern: {type: uri, value: dateTimeType} type: uri index: 2 value: short: A ValueSet to identify the type of date time. choices: [valueCodeableConcept] index: 4 valueCodeableConcept: {type: CodeableConcept, short: A ValueSet to identify the type of date time., choiceOf: value, index: 5} required: [value, valueCodeableConcept] dateTime: match: {} schema: short: The specific business related date and/or time. _required: true index: 6 elements: url: pattern: {type: uri, value: dateTime} type: uri index: 7 value: short: The date and/or time. choices: [valueDateTime] index: 9 valueDateTime: {type: dateTime, short: The date and/or time., choiceOf: value, index: 10} required: [value, valueDateTime] url: pattern: {type: uri, value: 'https://fhir.hl7.org.uk/StructureDefinition/Extension-UKCore-TypedDateTime'} type: uri index: 11 value: choices: [] index: 13 package_version: 0.0.11-pre-release extensions: dateTimeType: url: null short: Code to identify the type of time/date. _required: true index: 1 elements: url: pattern: {type: uri, value: dateTimeType} type: uri index: 2 value: short: A ValueSet to identify the type of date time. choices: [valueCodeableConcept] index: 4 valueCodeableConcept: {type: CodeableConcept, short: A ValueSet to identify the type of date time., choiceOf: value, index: 5} required: [value, valueCodeableConcept] dateTime: url: null short: The specific business related date and/or time. _required: true index: 6 elements: url: pattern: {type: uri, value: dateTime} type: uri index: 7 value: short: The date and/or time. choices: [valueDateTime] index: 9 valueDateTime: {type: dateTime, short: The date and/or time., choiceOf: value, index: 10} required: [value, valueDateTime] class: extension kind: complex-type url: https://fhir.hl7.org.uk/StructureDefinition/Extension-UKCore-TypedDateTime base: http://hl7.org/fhir/StructureDefinition/Extension version: 2.2.0