description: An expression that determines a calculated value. The expression may be simply the name of a expression in a referenced library, or it may be a complete inline expression. package_name: rs/hl7.fhir.r5.examples derivation: constraint name: calculatedValue type: Extension elements: extension: {index: 0} url: pattern: {type: uri, value: 'http://hl7.org/fhir/StructureDefinition/cqf-calculatedValue'} type: uri index: 1 value: choices: [valueExpression] index: 3 valueExpression: {type: Expression, choiceOf: value, index: 4} package_version: 4.6.0 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/cqf-calculatedValue base: http://hl7.org/fhir/StructureDefinition/Extension version: 4.6.0 required: [value, valueExpression]