{
"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.",
"_filename": "StructureDefinition-cqf-calculatedValue.json",
"package_name": "hl7.fhir.uv.extensions.r3",
"date": "2015-05-30",
"derivation": "constraint",
"publisher": "HL7 International / Clinical Decision Support",
"fhirVersion": "3.0.2",
"jurisdiction": [ {
"coding": [ {
"code": "001",
"system": "http://unstats.un.org/unsd/methods/m49/m49.htm"
} ]
} ],
"name": "CalculatedValue",
"mapping": [ {
"uri": "http://hl7.org/v3",
"name": "RIM Mapping",
"identity": "rim"
} ],
"abstract": false,
"type": "Extension",
"experimental": "false",
"resourceType": "StructureDefinition",
"title": "Calculated value",
"package_version": "5.3.0-ballot-tc1",
"extension": [ {
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
"valueCode": "cds"
}, {
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
"valueCode": "2"
}, {
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
"valueCode": "draft"
}, {
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-type-characteristics",
"valueCode": "can-bind"
}, {
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status-reason",
"valueCode": "Extensions that have been modified for R3 are still draft while real-world experience is collected"
} ],
"snapshot": {
"element": [ {
"constraint": [ {
"key": "ele-1",
"human": "All FHIR elements must have a @value or children",
"xpath": "@value|f:*|h:div",
"source": "http://hl7.org/fhir/StructureDefinition/Element",
"severity": "error",
"expression": "hasValue() | (children().count() > id.count())"
}, {
"key": "ext-1",
"human": "Must have either extensions or value[x], not both",
"xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
"source": "http://hl7.org/fhir/StructureDefinition/Extension",
"severity": "error",
"expression": "extension.exists() != value.exists()"
} ],
"path": "Extension",
"min": 0,
"definition": "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.",
"short": "A calculated value",
"max": "*",
"id": "Extension",
"condition": [ "ele-1" ],
"comment": "For questionnaires, see additional guidance and examples in the [SDC implementation guide](http://hl7.org/fhir/uv/sdc/2025Jan/behavior.html#cqf-calculatedValue).",
"base": {
"max": "*",
"min": 0,
"path": "Extension"
}
}, {
"path": "Extension.id",
"min": 0,
"definition": "unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
"short": "xml:id (or equivalent in JSON)",
"mapping": [ {
"map": "n/a",
"identity": "rim"
} ],
"type": [ {
"code": "string"
} ],
"representation": [ "xmlAttr" ],
"max": "1",
"id": "Extension.id",
"base": {
"max": "1",
"min": 0,
"path": "Element.id"
}
}, {
"path": "Extension.extension",
"min": 0,
"definition": "An Extension",
"short": "Extension",
"slicing": {
"rules": "open",
"ordered": false,
"description": "Extensions are always sliced by (at least) url",
"discriminator": [ {
"path": "url",
"type": "value"
} ]
},
"type": [ {
"code": "Extension"
} ],
"max": "*",
"id": "Extension.extension",
"base": {
"max": "*",
"min": 0,
"path": "Element.extension"
}
}, {
"path": "Extension.extension",
"min": 1,
"definition": "DataType name 'Expression' from R5",
"short": "DataType name 'Expression' from R5",
"type": [ {
"code": "Extension",
"profile": "http://hl7.org/fhir/StructureDefinition/_datatype"
} ],
"sliceName": "_datatype",
"max": "1",
"id": "Extension.extension:_datatype",
"base": {
"max": "*",
"min": 0,
"path": "Element.extension"
}
}, {
"path": "Extension.extension.id",
"min": 0,
"definition": "unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
"short": "xml:id (or equivalent in JSON)",
"mapping": [ {
"map": "n/a",
"identity": "rim"
} ],
"type": [ {
"code": "string"
} ],
"representation": [ "xmlAttr" ],
"max": "1",
"id": "Extension.extension:_datatype.id",
"base": {
"max": "1",
"min": 0,
"path": "Element.id"
}
}, {
"path": "Extension.extension.extension",
"min": 0,
"definition": "An Extension",
"short": "Extension",
"slicing": {
"rules": "open",
"description": "Extensions are always sliced by (at least) url",
"discriminator": [ {
"path": "url",
"type": "value"
} ]
},
"type": [ {
"code": "Extension"
} ],
"max": "0",
"id": "Extension.extension:_datatype.extension",
"base": {
"max": "*",
"min": 0,
"path": "Element.extension"
}
}, {
"path": "Extension.extension.url",
"min": 1,
"definition": "Source of the definition for the extension code - a logical name or a URL.",
"short": "identifies the meaning of the extension",
"fixedUri": "http://hl7.org/fhir/StructureDefinition/_datatype",
"mapping": [ {
"map": "N/A",
"identity": "rim"
} ],
"type": [ {
"code": "uri"
} ],
"representation": [ "xmlAttr" ],
"max": "1",
"id": "Extension.extension:_datatype.url",
"comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
"base": {
"max": "1",
"min": 1,
"path": "Extension.url"
}
}, {
"path": "Extension.extension.value[x]",
"min": 1,
"definition": "Value of extension - may be a resource or one of a constrained set of the data types (see Extensibility in the spec for list).",
"short": "Value of extension",
"mapping": [ {
"map": "N/A",
"identity": "rim"
} ],
"type": [ {
"code": "string"
} ],
"max": "1",
"fixedString": "Expression",
"id": "Extension.extension:_datatype.value[x]",
"base": {
"max": "1",
"min": 0,
"path": "Extension.value[x]"
}
}, {
"path": "Extension.extension",
"min": 0,
"definition": "A brief, natural language description of the condition that effectively communicates the intended semantics.",
"short": "Natural language description of the condition",
"type": [ {
"code": "Extension"
} ],
"sliceName": "description",
"max": "1",
"id": "Extension.extension:description",
"base": {
"max": "*",
"min": 0,
"path": "Element.extension"
}
}, {
"path": "Extension.extension.id",
"min": 0,
"definition": "unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
"short": "xml:id (or equivalent in JSON)",
"mapping": [ {
"map": "n/a",
"identity": "rim"
} ],
"type": [ {
"code": "string"
} ],
"representation": [ "xmlAttr" ],
"max": "1",
"id": "Extension.extension:description.id",
"base": {
"max": "1",
"min": 0,
"path": "Element.id"
}
}, {
"path": "Extension.extension.extension",
"min": 0,
"definition": "An Extension",
"short": "Extension",
"slicing": {
"rules": "open",
"description": "Extensions are always sliced by (at least) url",
"discriminator": [ {
"path": "url",
"type": "value"
} ]
},
"type": [ {
"code": "Extension"
} ],
"max": "0",
"id": "Extension.extension:description.extension",
"base": {
"max": "*",
"min": 0,
"path": "Element.extension"
}
}, {
"path": "Extension.extension.url",
"min": 1,
"definition": "Source of the definition for the extension code - a logical name or a URL.",
"short": "identifies the meaning of the extension",
"fixedUri": "description",
"mapping": [ {
"map": "N/A",
"identity": "rim"
} ],
"type": [ {
"code": "uri"
} ],
"representation": [ "xmlAttr" ],
"max": "1",
"id": "Extension.extension:description.url",
"comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
"base": {
"max": "1",
"min": 1,
"path": "Extension.url"
}
}, {
"path": "Extension.extension.value[x]",
"min": 1,
"definition": "Value of extension - may be a resource or one of a constrained set of the data types (see Extensibility in the spec for list).",
"short": "Value of extension",
"mapping": [ {
"map": "N/A",
"identity": "rim"
} ],
"type": [ {
"code": "string"
} ],
"max": "1",
"id": "Extension.extension:description.value[x]",
"base": {
"max": "1",
"min": 0,
"path": "Extension.value[x]"
}
}, {
"path": "Extension.extension",
"min": 0,
"definition": "A short name assigned to the expression to allow for multiple reuse of the expression in the context where it is defined.",
"short": "Short name assigned to expression for reuse",
"type": [ {
"code": "Extension"
} ],
"sliceName": "name",
"max": "1",
"id": "Extension.extension:name",
"base": {
"max": "*",
"min": 0,
"path": "Element.extension"
}
}, {
"path": "Extension.extension.id",
"min": 0,
"definition": "unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
"short": "xml:id (or equivalent in JSON)",
"mapping": [ {
"map": "n/a",
"identity": "rim"
} ],
"type": [ {
"code": "string"
} ],
"representation": [ "xmlAttr" ],
"max": "1",
"id": "Extension.extension:name.id",
"base": {
"max": "1",
"min": 0,
"path": "Element.id"
}
}, {
"path": "Extension.extension.extension",
"min": 0,
"definition": "An Extension",
"short": "Extension",
"slicing": {
"rules": "open",
"description": "Extensions are always sliced by (at least) url",
"discriminator": [ {
"path": "url",
"type": "value"
} ]
},
"type": [ {
"code": "Extension"
} ],
"max": "0",
"id": "Extension.extension:name.extension",
"base": {
"max": "*",
"min": 0,
"path": "Element.extension"
}
}, {
"path": "Extension.extension.url",
"min": 1,
"definition": "Source of the definition for the extension code - a logical name or a URL.",
"short": "identifies the meaning of the extension",
"fixedUri": "name",
"mapping": [ {
"map": "N/A",
"identity": "rim"
} ],
"type": [ {
"code": "uri"
} ],
"representation": [ "xmlAttr" ],
"max": "1",
"id": "Extension.extension:name.url",
"comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
"base": {
"max": "1",
"min": 1,
"path": "Extension.url"
}
}, {
"path": "Extension.extension.value[x]",
"min": 1,
"definition": "Value of extension - may be a resource or one of a constrained set of the data types (see Extensibility in the spec for list).",
"short": "Value of extension",
"mapping": [ {
"map": "N/A",
"identity": "rim"
} ],
"type": [ {
"code": "code"
} ],
"max": "1",
"id": "Extension.extension:name.value[x]",
"base": {
"max": "1",
"min": 0,
"path": "Extension.value[x]"
}
}, {
"path": "Extension.extension",
"min": 0,
"definition": "The media type of the language for the expression.",
"short": "text/cql | text/fhirpath | application/x-fhir-query | etc.",
"type": [ {
"code": "Extension"
} ],
"sliceName": "language",
"max": "1",
"id": "Extension.extension:language",
"base": {
"max": "*",
"min": 0,
"path": "Element.extension"
}
}, {
"path": "Extension.extension.id",
"min": 0,
"definition": "unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
"short": "xml:id (or equivalent in JSON)",
"mapping": [ {
"map": "n/a",
"identity": "rim"
} ],
"type": [ {
"code": "string"
} ],
"representation": [ "xmlAttr" ],
"max": "1",
"id": "Extension.extension:language.id",
"base": {
"max": "1",
"min": 0,
"path": "Element.id"
}
}, {
"path": "Extension.extension.extension",
"min": 0,
"definition": "An Extension",
"short": "Extension",
"slicing": {
"rules": "open",
"description": "Extensions are always sliced by (at least) url",
"discriminator": [ {
"path": "url",
"type": "value"
} ]
},
"type": [ {
"code": "Extension"
} ],
"max": "0",
"id": "Extension.extension:language.extension",
"base": {
"max": "*",
"min": 0,
"path": "Element.extension"
}
}, {
"path": "Extension.extension.url",
"min": 1,
"definition": "Source of the definition for the extension code - a logical name or a URL.",
"short": "identifies the meaning of the extension",
"fixedUri": "language",
"mapping": [ {
"map": "N/A",
"identity": "rim"
} ],
"type": [ {
"code": "uri"
} ],
"representation": [ "xmlAttr" ],
"max": "1",
"id": "Extension.extension:language.url",
"comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
"base": {
"max": "1",
"min": 1,
"path": "Extension.url"
}
}, {
"path": "Extension.extension.value[x]",
"min": 1,
"definition": "Value of extension - may be a resource or one of a constrained set of the data types (see Extensibility in the spec for list).",
"short": "Value of extension",
"mapping": [ {
"map": "N/A",
"identity": "rim"
} ],
"type": [ {
"code": "code"
} ],
"binding": {
"strength": "extensible",
"extension": [ {
"url": "http://hl7.org/fhir/tools/StructureDefinition/binding-definition",
"valueMarkdown": "The media type of the expression language."
}, {
"url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
"valueString": "ExpressionLanguage"
}, {
"extension": [ {
"url": "purpose",
"valueCode": "maximum"
}, {
"url": "valueSet",
"valueUri": "http://hl7.org/fhir/ValueSet/mimetypes"
} ]
} ],
"description": "The media type of the expression language.",
"valueSetReference": {
"reference": "http://hl7.org/fhir/ValueSet/expression-language"
}
},
"max": "1",
"id": "Extension.extension:language.value[x]",
"base": {
"max": "1",
"min": 0,
"path": "Extension.value[x]"
}
}, {
"path": "Extension.extension",
"min": 0,
"definition": "An expression in the specified language that returns a value.",
"short": "Expression in specified language",
"type": [ {
"code": "Extension"
} ],
"sliceName": "expression",
"max": "1",
"id": "Extension.extension:expression",
"comment": "If Expression.expression and Expression.reference are both present, the Expression.expression might just be a name pointing something within the referenced content.",
"base": {
"max": "*",
"min": 0,
"path": "Element.extension"
}
}, {
"path": "Extension.extension.id",
"min": 0,
"definition": "unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
"short": "xml:id (or equivalent in JSON)",
"mapping": [ {
"map": "n/a",
"identity": "rim"
} ],
"type": [ {
"code": "string"
} ],
"representation": [ "xmlAttr" ],
"max": "1",
"id": "Extension.extension:expression.id",
"base": {
"max": "1",
"min": 0,
"path": "Element.id"
}
}, {
"path": "Extension.extension.extension",
"min": 0,
"definition": "An Extension",
"short": "Extension",
"slicing": {
"rules": "open",
"description": "Extensions are always sliced by (at least) url",
"discriminator": [ {
"path": "url",
"type": "value"
} ]
},
"type": [ {
"code": "Extension"
} ],
"max": "0",
"id": "Extension.extension:expression.extension",
"base": {
"max": "*",
"min": 0,
"path": "Element.extension"
}
}, {
"path": "Extension.extension.url",
"min": 1,
"definition": "Source of the definition for the extension code - a logical name or a URL.",
"short": "identifies the meaning of the extension",
"fixedUri": "expression",
"mapping": [ {
"map": "N/A",
"identity": "rim"
} ],
"type": [ {
"code": "uri"
} ],
"representation": [ "xmlAttr" ],
"max": "1",
"id": "Extension.extension:expression.url",
"comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
"base": {
"max": "1",
"min": 1,
"path": "Extension.url"
}
}, {
"path": "Extension.extension.value[x]",
"min": 1,
"definition": "Value of extension - may be a resource or one of a constrained set of the data types (see Extensibility in the spec for list).",
"short": "Value of extension",
"mapping": [ {
"map": "N/A",
"identity": "rim"
} ],
"type": [ {
"code": "string"
} ],
"max": "1",
"id": "Extension.extension:expression.value[x]",
"base": {
"max": "1",
"min": 0,
"path": "Extension.value[x]"
}
}, {
"path": "Extension.extension",
"min": 0,
"definition": "A URI that defines where the expression is found.",
"short": "Where the expression is found",
"type": [ {
"code": "Extension"
} ],
"sliceName": "reference",
"max": "1",
"id": "Extension.extension:reference",
"comment": "If both a reference and an expression is found, the reference SHALL point to the same expression.",
"base": {
"max": "*",
"min": 0,
"path": "Element.extension"
}
}, {
"path": "Extension.extension.id",
"min": 0,
"definition": "unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
"short": "xml:id (or equivalent in JSON)",
"mapping": [ {
"map": "n/a",
"identity": "rim"
} ],
"type": [ {
"code": "string"
} ],
"representation": [ "xmlAttr" ],
"max": "1",
"id": "Extension.extension:reference.id",
"base": {
"max": "1",
"min": 0,
"path": "Element.id"
}
}, {
"path": "Extension.extension.extension",
"min": 0,
"definition": "An Extension",
"short": "Extension",
"slicing": {
"rules": "open",
"description": "Extensions are always sliced by (at least) url",
"discriminator": [ {
"path": "url",
"type": "value"
} ]
},
"type": [ {
"code": "Extension"
} ],
"max": "0",
"id": "Extension.extension:reference.extension",
"base": {
"max": "*",
"min": 0,
"path": "Element.extension"
}
}, {
"path": "Extension.extension.url",
"min": 1,
"definition": "Source of the definition for the extension code - a logical name or a URL.",
"short": "identifies the meaning of the extension",
"fixedUri": "reference",
"mapping": [ {
"map": "N/A",
"identity": "rim"
} ],
"type": [ {
"code": "uri"
} ],
"representation": [ "xmlAttr" ],
"max": "1",
"id": "Extension.extension:reference.url",
"comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
"base": {
"max": "1",
"min": 1,
"path": "Extension.url"
}
}, {
"path": "Extension.extension.value[x]",
"min": 1,
"definition": "Value of extension - may be a resource or one of a constrained set of the data types (see Extensibility in the spec for list).",
"short": "Value of extension",
"mapping": [ {
"map": "N/A",
"identity": "rim"
} ],
"type": [ {
"code": "uri"
} ],
"max": "1",
"id": "Extension.extension:reference.value[x]",
"base": {
"max": "1",
"min": 0,
"path": "Extension.value[x]"
}
}, {
"path": "Extension.url",
"min": 1,
"definition": "Source of the definition for the extension code - a logical name or a URL.",
"short": "identifies the meaning of the extension",
"fixedUri": "http://hl7.org/fhir/StructureDefinition/cqf-calculatedValue",
"mapping": [ {
"map": "N/A",
"identity": "rim"
} ],
"type": [ {
"code": "uri"
} ],
"representation": [ "xmlAttr" ],
"max": "1",
"id": "Extension.url",
"comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
"base": {
"max": "1",
"min": 1,
"path": "Extension.url"
}
}, {
"path": "Extension.value[x]",
"min": 0,
"definition": "Value of extension - may be a resource or one of a constrained set of the data types (see Extensibility in the spec for list).",
"short": "Value of extension",
"mapping": [ {
"map": "N/A",
"identity": "rim"
} ],
"type": [ {
"code": "base64Binary"
}, {
"code": "boolean"
}, {
"code": "code"
}, {
"code": "date"
}, {
"code": "dateTime"
}, {
"code": "decimal"
}, {
"code": "id"
}, {
"code": "instant"
}, {
"code": "integer"
}, {
"code": "markdown"
}, {
"code": "oid"
}, {
"code": "positiveInt"
}, {
"code": "string"
}, {
"code": "time"
}, {
"code": "unsignedInt"
}, {
"code": "uri"
}, {
"code": "Address"
}, {
"code": "Age"
}, {
"code": "Annotation"
}, {
"code": "Attachment"
}, {
"code": "CodeableConcept"
}, {
"code": "Coding"
}, {
"code": "ContactPoint"
}, {
"code": "Count"
}, {
"code": "Distance"
}, {
"code": "Duration"
}, {
"code": "HumanName"
}, {
"code": "Identifier"
}, {
"code": "Money"
}, {
"code": "Period"
}, {
"code": "Quantity"
}, {
"code": "Range"
}, {
"code": "Ratio"
}, {
"code": "Reference"
}, {
"code": "SampledData"
}, {
"code": "Signature"
}, {
"code": "Timing"
}, {
"code": "Meta"
} ],
"max": "0",
"id": "Extension.value[x]",
"base": {
"max": "1",
"min": 0,
"path": "Extension.value[x]"
}
} ]
},
"status": "active",
"id": "02764e7d-fe0d-4970-8db0-9108f9db5b3c",
"kind": "complex-type",
"url": "http://hl7.org/fhir/StructureDefinition/cqf-calculatedValue",
"identifier": [ {
"value": "urn:oid:2.16.840.1.113883.4.642.5.1690",
"system": "urn:ietf:rfc:3986"
} ],
"context": [ "*" ],
"version": "5.3.0-ballot-tc1",
"differential": {
"element": [ {
"id": "Extension",
"max": "*",
"min": 0,
"path": "Extension",
"short": "A calculated value",
"comment": "For questionnaires, see additional guidance and examples in the [SDC implementation guide](http://hl7.org/fhir/uv/sdc/2025Jan/behavior.html#cqf-calculatedValue).",
"definition": "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."
}, {
"id": "Extension.extension",
"max": "*",
"path": "Extension.extension",
"slicing": {
"rules": "open",
"ordered": false,
"discriminator": [ {
"path": "url",
"type": "value"
} ]
}
}, {
"id": "Extension.extension:_datatype",
"max": "1",
"min": 1,
"path": "Extension.extension",
"type": [ {
"code": "Extension",
"profile": "http://hl7.org/fhir/StructureDefinition/_datatype"
} ],
"short": "DataType name 'Expression' from R5",
"sliceName": "_datatype",
"definition": "DataType name 'Expression' from R5"
}, {
"id": "Extension.extension:_datatype.value[x]",
"min": 1,
"path": "Extension.extension.value[x]",
"type": [ {
"code": "string"
} ],
"fixedString": "Expression"
}, {
"id": "Extension.extension:description",
"max": "1",
"min": 0,
"path": "Extension.extension",
"short": "Natural language description of the condition",
"sliceName": "description",
"definition": "A brief, natural language description of the condition that effectively communicates the intended semantics."
}, {
"id": "Extension.extension:description.extension",
"max": "0",
"path": "Extension.extension.extension"
}, {
"id": "Extension.extension:description.url",
"path": "Extension.extension.url",
"fixedUri": "description"
}, {
"id": "Extension.extension:description.value[x]",
"min": 1,
"path": "Extension.extension.value[x]",
"type": [ {
"code": "string"
} ]
}, {
"id": "Extension.extension:name",
"max": "1",
"min": 0,
"path": "Extension.extension",
"short": "Short name assigned to expression for reuse",
"sliceName": "name",
"definition": "A short name assigned to the expression to allow for multiple reuse of the expression in the context where it is defined."
}, {
"id": "Extension.extension:name.extension",
"max": "0",
"path": "Extension.extension.extension"
}, {
"id": "Extension.extension:name.url",
"path": "Extension.extension.url",
"fixedUri": "name"
}, {
"id": "Extension.extension:name.value[x]",
"min": 1,
"path": "Extension.extension.value[x]",
"type": [ {
"code": "code"
} ]
}, {
"id": "Extension.extension:language",
"max": "1",
"min": 0,
"path": "Extension.extension",
"short": "text/cql | text/fhirpath | application/x-fhir-query | etc.",
"sliceName": "language",
"definition": "The media type of the language for the expression."
}, {
"id": "Extension.extension:language.extension",
"max": "0",
"path": "Extension.extension.extension"
}, {
"id": "Extension.extension:language.url",
"path": "Extension.extension.url",
"fixedUri": "language"
}, {
"id": "Extension.extension:language.value[x]",
"min": 1,
"path": "Extension.extension.value[x]",
"type": [ {
"code": "code"
} ],
"binding": {
"strength": "extensible",
"extension": [ {
"url": "http://hl7.org/fhir/tools/StructureDefinition/binding-definition",
"valueMarkdown": "The media type of the expression language."
}, {
"url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
"valueString": "ExpressionLanguage"
}, {
"extension": [ {
"url": "purpose",
"valueCode": "maximum"
}, {
"url": "valueSet",
"valueUri": "http://hl7.org/fhir/ValueSet/mimetypes"
} ]
} ],
"description": "The media type of the expression language.",
"valueSetReference": {
"reference": "http://hl7.org/fhir/ValueSet/expression-language"
}
}
}, {
"id": "Extension.extension:expression",
"max": "1",
"min": 0,
"path": "Extension.extension",
"short": "Expression in specified language",
"comment": "If Expression.expression and Expression.reference are both present, the Expression.expression might just be a name pointing something within the referenced content.",
"sliceName": "expression",
"definition": "An expression in the specified language that returns a value."
}, {
"id": "Extension.extension:expression.extension",
"max": "0",
"path": "Extension.extension.extension"
}, {
"id": "Extension.extension:expression.url",
"path": "Extension.extension.url",
"fixedUri": "expression"
}, {
"id": "Extension.extension:expression.value[x]",
"min": 1,
"path": "Extension.extension.value[x]",
"type": [ {
"code": "string"
} ]
}, {
"id": "Extension.extension:reference",
"max": "1",
"min": 0,
"path": "Extension.extension",
"short": "Where the expression is found",
"comment": "If both a reference and an expression is found, the reference SHALL point to the same expression.",
"sliceName": "reference",
"definition": "A URI that defines where the expression is found."
}, {
"id": "Extension.extension:reference.extension",
"max": "0",
"path": "Extension.extension.extension"
}, {
"id": "Extension.extension:reference.url",
"path": "Extension.extension.url",
"fixedUri": "reference"
}, {
"id": "Extension.extension:reference.value[x]",
"min": 1,
"path": "Extension.extension.value[x]",
"type": [ {
"code": "uri"
} ]
}, {
"id": "Extension.url",
"path": "Extension.url",
"fixedUri": "http://hl7.org/fhir/StructureDefinition/cqf-calculatedValue"
}, {
"id": "Extension.value[x]",
"max": "0",
"min": 0,
"path": "Extension.value[x]"
} ]
},
"contact": [ {
"telecom": [ {
"value": "http://www.hl7.org/Special/committees/dss",
"system": "url"
} ]
} ],
"contextType": "datatype",
"baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension"
}