FHIR IG Statistics: StructureDefinition/sdc-questionnaire-contextExpression
| Package | hl7.fhir.uv.sdc.r4b |
| Type | StructureDefinition |
| Id | sdc-questionnaire-contextExpression |
| FHIR Version | R4B |
| Source | http://hl7.org/fhir/uv/sdc/http://hl7.org/fhir/uv/sdc/STU3/StructureDefinition-sdc-questionnaire-contextExpression.html |
| URL | http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-contextExpression |
| Version | 3.0.0 |
| Status | draft |
| Date | 2022-03-08T18:37:19+00:00 |
| Name | ContextExpressionExtension |
| Title | Answer Context Expression |
| Realm | uv |
| Authority | hl7 |
| Description | A FHIR Query that resolves to one or more resources that can be displayed to the user to help provide context for answering a question. For example, if the question is "Has the patient discussed this issue on any visits in the past year?", the contextExpression might return the set of patient's encounters for the prior 12 month period to help jog the practitioner's memory. If there are multiple repetitions of this extension, then each is providing a distinct set of context. For example, one repetition might expose 'potentially relevant procedures' while another might expose 'potentially relevant encounters'. |
| Type | Extension |
| Kind | complex-type |
Resources that use this resource
Resources that this resource uses
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Narrative
Note: links and images are rebased to the (stated) source
Source
{
"resourceType": "StructureDefinition",
"id": "sdc-questionnaire-contextExpression",
"text": {
"status": "extensions",
"div": "<!-- snip (see above) -->"
},
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
"valueInteger": 3,
"_valueInteger": {
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
"valueCanonical": "http://hl7.org/fhir/uv/sdc/ImplementationGuide/hl7.fhir.uv.sdc"
}
]
}
},
{
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
"valueCode": "trial-use",
"_valueCode": {
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
"valueCanonical": "http://hl7.org/fhir/uv/sdc/ImplementationGuide/hl7.fhir.uv.sdc"
}
]
}
}
],
"url": "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-contextExpression",
"version": "3.0.0",
"name": "ContextExpressionExtension",
"title": "Answer Context Expression",
"status": "draft",
"date": "2022-03-08T18:37:19+00:00",
"publisher": "HL7 International - FHIR Infrastructure Work Group",
"contact": [
{
"telecom": [
{
"system": "url",
"value": "http://hl7.org/Special/committees/fiwg"
}
]
}
],
"description": "A FHIR Query that resolves to one or more resources that can be displayed to the user to help provide context for answering a question. For example, if the question is \"Has the patient discussed this issue on any visits in the past year?\", the contextExpression might return the set of patient's encounters for the prior 12 month period to help jog the practitioner's memory. If there are multiple repetitions of this extension, then each is providing a distinct set of context. For example, one repetition might expose 'potentially relevant procedures' while another might expose 'potentially relevant encounters'.",
"jurisdiction": [
{
"coding": [
{
"system": "http://unstats.un.org/unsd/methods/m49/m49.htm",
"code": "001"
}
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}
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"mapping": [
{
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"name": "RIM Mapping"
}
],
"kind": "complex-type",
"abstract": false,
"context": [
{
"type": "element",
"expression": "Questionnaire.item"
},
{
"type": "element",
"expression": "ElementDefinition"
}
],
"type": "Extension",
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"derivation": "constraint",
"snapshot": {
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{
"id": "Extension",
"path": "Extension",
"short": "Expression for information to guide answers",
"definition": "A FHIR Query that resolves to one or more resources that can be displayed to the user to help provide context for answering a question. For example, if the question is \"Has the patient discussed this issue on any visits in the past year?\", the contextExpression might return the set of patient's encounters for the prior 12 month period to help jog the practitioner's memory.",
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"xpath": "@value|f:*|h:div",
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},
{
"key": "ext-1",
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"short": "Unique id for inter-element referencing",
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{
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
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{
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"path": "Extension.extension",
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"comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
"alias": [
"extensions",
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{
"key": "ele-1",
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{
"key": "ext-1",
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"human": "Must have either extensions or value[x], not both",
"expression": "extension.exists() != value.exists()",
"xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
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{
"identity": "rim",
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]
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{
"id": "Extension.extension:label",
"path": "Extension.extension",
"sliceName": "label",
"short": "Context label",
"definition": "The text to display in the form filler user interface that explains what the returned context information means",
"min": 1,
"max": "1",
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"path": "Element.extension",
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{
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{
"key": "ele-1",
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"xpath": "@value|f:*|h:div",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
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{
"key": "ext-1",
"severity": "error",
"human": "Must have either extensions or value[x], not both",
"expression": "extension.exists() != value.exists()",
"xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
"source": "http://hl7.org/fhir/StructureDefinition/Extension"
}
],
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{
"id": "Extension.extension:label.id",
"path": "Extension.extension.id",
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"xmlAttr"
],
"short": "Unique id for inter-element referencing",
"definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
"min": 0,
"max": "1",
"base": {
"path": "Element.id",
"min": 0,
"max": "1"
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"type": [
{
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
"valueUrl": "string"
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"code": "http://hl7.org/fhirpath/System.String"
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{
"id": "Extension.extension:label.extension",
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{
"type": "value",
"path": "url"
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],
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"rules": "open"
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"short": "Additional content defined by implementations",
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"comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
"alias": [
"extensions",
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"path": "Element.extension",
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"max": "*"
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"type": [
{
"code": "Extension"
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{
"key": "ele-1",
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"human": "All FHIR elements must have a @value or children",
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"xpath": "@value|f:*|h:div",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
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{
"key": "ext-1",
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"expression": "extension.exists() != value.exists()",
"xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
"source": "http://hl7.org/fhir/StructureDefinition/Extension"
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{
"identity": "rim",
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{
"id": "Extension.extension:label.extension.id",
"path": "Extension.extension.extension.id",
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"xmlAttr"
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"short": "Unique id for inter-element referencing",
"definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
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"max": "1",
"base": {
"path": "Element.id",
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"type": [
{
"extension": [
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"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
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],
"code": "http://hl7.org/fhirpath/System.String"
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"mapping": [
{
"identity": "rim",
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]
},
{
"id": "Extension.extension:label.extension.extension",
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{
"type": "value",
"path": "url"
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],
"description": "Extensions are always sliced by (at least) url",
"rules": "open"
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"short": "Additional content defined by implementations",
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"comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
"alias": [
"extensions",
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{
"key": "ele-1",
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{
"key": "ext-1",
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"expression": "extension.exists() != value.exists()",
"xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
"source": "http://hl7.org/fhir/StructureDefinition/Extension"
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],
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"mapping": [
{
"identity": "rim",
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]
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{
"id": "Extension.extension:label.extension.url",
"path": "Extension.extension.extension.url",
"representation": [
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"short": "identifies the meaning of the extension",
"definition": "Source of the definition for the extension code - a logical name or a 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.",
"min": 1,
"max": "1",
"base": {
"path": "Extension.url",
"min": 1,
"max": "1"
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"type": [
{
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
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"code": "http://hl7.org/fhirpath/System.String"
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"mapping": [
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"identity": "rim",
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]
},
{
"id": "Extension.extension:label.extension.value[x]",
"path": "Extension.extension.extension.value[x]",
"short": "Value of extension",
"definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list).",
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"max": "1",
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"path": "Extension.value[x]",
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"max": "1"
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"type": [
{
"code": "base64Binary"
},
{
"code": "boolean"
},
{
"code": "canonical"
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{
"code": "code"
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{
"code": "date"
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{
"code": "dateTime"
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{
"code": "decimal"
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{
"code": "id"
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{
"code": "instant"
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{
"code": "integer"
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{
"code": "markdown"
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{
"code": "oid"
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{
"code": "positiveInt"
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{
"code": "string"
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{
"code": "time"
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{
"code": "unsignedInt"
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{
"code": "uri"
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{
"code": "url"
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{
"code": "uuid"
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{
"code": "Address"
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{
"code": "Age"
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{
"code": "Annotation"
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{
"code": "Attachment"
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{
"code": "CodeableConcept"
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{
"code": "Coding"
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{
"code": "ContactPoint"
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{
"code": "Count"
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{
"code": "Distance"
},
{
"code": "Duration"
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{
"code": "HumanName"
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{
"code": "Identifier"
},
{
"code": "Money"
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{
"code": "Period"
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{
"code": "Quantity"
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{
"code": "Range"
},
{
"code": "Ratio"
},
{
"code": "Reference"
},
{
"code": "SampledData"
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{
"code": "Signature"
},
{
"code": "Timing"
},
{
"code": "ContactDetail"
},
{
"code": "Contributor"
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{
"code": "DataRequirement"
},
{
"code": "Expression"
},
{
"code": "ParameterDefinition"
},
{
"code": "RelatedArtifact"
},
{
"code": "TriggerDefinition"
},
{
"code": "UsageContext"
},
{
"code": "Dosage"
},
{
"code": "Meta"
}
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"xpath": "@value|f:*|h:div",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
}
],
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"mapping": [
{
"identity": "rim",
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]
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"id": "Extension.extension:label.url",
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"short": "identifies the meaning of the extension",
"definition": "Source of the definition for the extension code - a logical name or a 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.",
"min": 1,
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"base": {
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"min": 1,
"max": "1"
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"type": [
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],
"fixedUri": "label",
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"isSummary": false,
"mapping": [
{
"identity": "rim",
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}
]
},
{
"id": "Extension.extension:label.value[x]",
"path": "Extension.extension.value[x]",
"short": "Value of extension",
"definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list).",
"min": 1,
"max": "1",
"base": {
"path": "Extension.value[x]",
"min": 0,
"max": "1"
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"type": [
{
"code": "string"
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],
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{
"key": "ele-1",
"severity": "error",
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"expression": "hasValue() or (children().count() > id.count())",
"xpath": "@value|f:*|h:div",
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],
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"mapping": [
{
"identity": "rim",
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}
]
},
{
"id": "Extension.extension:expression",
"path": "Extension.extension",
"sliceName": "expression",
"short": "Context expression",
"definition": "The computable rules that identify the contextual information to display to the user",
"min": 1,
"max": "1",
"base": {
"path": "Element.extension",
"min": 0,
"max": "*"
},
"type": [
{
"code": "Extension"
}
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"xpath": "@value|f:*|h:div",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
},
{
"key": "ext-1",
"severity": "error",
"human": "Must have either extensions or value[x], not both",
"expression": "extension.exists() != value.exists()",
"xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
"source": "http://hl7.org/fhir/StructureDefinition/Extension"
}
],
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},
{
"id": "Extension.extension:expression.id",
"path": "Extension.extension.id",
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"xmlAttr"
],
"short": "Unique id for inter-element referencing",
"definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
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"max": "1",
"base": {
"path": "Element.id",
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"type": [
{
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
"valueUrl": "string"
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],
"code": "http://hl7.org/fhirpath/System.String"
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],
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"isSummary": false,
"mapping": [
{
"identity": "rim",
"map": "n/a"
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]
},
{
"id": "Extension.extension:expression.extension",
"path": "Extension.extension.extension",
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"discriminator": [
{
"type": "value",
"path": "url"
}
],
"description": "Extensions are always sliced by (at least) url",
"rules": "open"
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"short": "Additional content defined by implementations",
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"comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
"alias": [
"extensions",
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"base": {
"path": "Element.extension",
"min": 0,
"max": "*"
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"type": [
{
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{
"key": "ele-1",
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"xpath": "@value|f:*|h:div",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
},
{
"key": "ext-1",
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"expression": "extension.exists() != value.exists()",
"xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
"source": "http://hl7.org/fhir/StructureDefinition/Extension"
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],
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"mapping": [
{
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]
},
{
"id": "Extension.extension:expression.extension.id",
"path": "Extension.extension.extension.id",
"representation": [
"xmlAttr"
],
"short": "Unique id for inter-element referencing",
"definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
"min": 0,
"max": "1",
"base": {
"path": "Element.id",
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"type": [
{
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
"valueUrl": "string"
}
],
"code": "http://hl7.org/fhirpath/System.String"
}
],
"isModifier": false,
"isSummary": false,
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"id": "Extension.extension:expression.extension.extension",
"path": "Extension.extension.extension.extension",
"slicing": {
"discriminator": [
{
"type": "value",
"path": "url"
}
],
"description": "Extensions are always sliced by (at least) url",
"rules": "open"
},
"short": "Additional content defined by implementations",
"definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
"comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
"alias": [
"extensions",
"user content"
],
"min": 0,
"max": "*",
"base": {
"path": "Element.extension",
"min": 0,
"max": "*"
},
"type": [
{
"code": "Extension"
}
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"xpath": "@value|f:*|h:div",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
},
{
"key": "ext-1",
"severity": "error",
"human": "Must have either extensions or value[x], not both",
"expression": "extension.exists() != value.exists()",
"xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
"source": "http://hl7.org/fhir/StructureDefinition/Extension"
}
],
"isModifier": false,
"isSummary": false,
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"id": "Extension.extension:expression.extension.url",
"path": "Extension.extension.extension.url",
"representation": [
"xmlAttr"
],
"short": "identifies the meaning of the extension",
"definition": "Source of the definition for the extension code - a logical name or a 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.",
"min": 1,
"max": "1",
"base": {
"path": "Extension.url",
"min": 1,
"max": "1"
},
"type": [
{
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
"valueUrl": "uri"
}
],
"code": "http://hl7.org/fhirpath/System.String"
}
],
"isModifier": false,
"isSummary": false,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"id": "Extension.extension:expression.extension.value[x]",
"path": "Extension.extension.extension.value[x]",
"short": "Value of extension",
"definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list).",
"min": 0,
"max": "1",
"base": {
"path": "Extension.value[x]",
"min": 0,
"max": "1"
},
"type": [
{
"code": "base64Binary"
},
{
"code": "boolean"
},
{
"code": "canonical"
},
{
"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": "url"
},
{
"code": "uuid"
},
{
"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": "ContactDetail"
},
{
"code": "Contributor"
},
{
"code": "DataRequirement"
},
{
"code": "Expression"
},
{
"code": "ParameterDefinition"
},
{
"code": "RelatedArtifact"
},
{
"code": "TriggerDefinition"
},
{
"code": "UsageContext"
},
{
"code": "Dosage"
},
{
"code": "Meta"
}
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"xpath": "@value|f:*|h:div",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
}
],
"isModifier": false,
"isSummary": false,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"id": "Extension.extension:expression.url",
"path": "Extension.extension.url",
"representation": [
"xmlAttr"
],
"short": "identifies the meaning of the extension",
"definition": "Source of the definition for the extension code - a logical name or a 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.",
"min": 1,
"max": "1",
"base": {
"path": "Extension.url",
"min": 1,
"max": "1"
},
"type": [
{
"code": "uri"
}
],
"fixedUri": "expression",
"isModifier": false,
"isSummary": false,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"id": "Extension.extension:expression.value[x]",
"path": "Extension.extension.value[x]",
"short": "Value of extension",
"definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list).",
"min": 1,
"max": "1",
"base": {
"path": "Extension.value[x]",
"min": 0,
"max": "1"
},
"type": [
{
"code": "Expression"
}
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"xpath": "@value|f:*|h:div",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
}
],
"isModifier": false,
"isSummary": false,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"id": "Extension.url",
"path": "Extension.url",
"representation": [
"xmlAttr"
],
"short": "identifies the meaning of the extension",
"definition": "Source of the definition for the extension code - a logical name or a 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.",
"min": 1,
"max": "1",
"base": {
"path": "Extension.url",
"min": 1,
"max": "1"
},
"type": [
{
"code": "uri"
}
],
"fixedUri": "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-contextExpression",
"isModifier": false,
"isSummary": false,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"id": "Extension.value[x]",
"path": "Extension.value[x]",
"short": "Value of extension",
"definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list).",
"min": 0,
"max": "0",
"base": {
"path": "Extension.value[x]",
"min": 0,
"max": "1"
},
"type": [
{
"code": "base64Binary"
},
{
"code": "boolean"
},
{
"code": "canonical"
},
{
"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": "url"
},
{
"code": "uuid"
},
{
"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": "ContactDetail"
},
{
"code": "Contributor"
},
{
"code": "DataRequirement"
},
{
"code": "Expression"
},
{
"code": "ParameterDefinition"
},
{
"code": "RelatedArtifact"
},
{
"code": "TriggerDefinition"
},
{
"code": "UsageContext"
},
{
"code": "Dosage"
},
{
"code": "Meta"
}
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"xpath": "@value|f:*|h:div",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
}
],
"isModifier": false,
"isSummary": false,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
}
]
},
"differential": {
"element": [
{
"id": "Extension",
"path": "Extension",
"short": "Expression for information to guide answers",
"definition": "A FHIR Query that resolves to one or more resources that can be displayed to the user to help provide context for answering a question. For example, if the question is \"Has the patient discussed this issue on any visits in the past year?\", the contextExpression might return the set of patient's encounters for the prior 12 month period to help jog the practitioner's memory.",
"min": 0,
"max": "*"
},
{
"id": "Extension.extension:label",
"path": "Extension.extension",
"sliceName": "label",
"short": "Context label",
"definition": "The text to display in the form filler user interface that explains what the returned context information means",
"min": 1,
"max": "1"
},
{
"id": "Extension.extension:label.url",
"path": "Extension.extension.url",
"type": [
{
"code": "uri"
}
],
"fixedUri": "label"
},
{
"id": "Extension.extension:label.value[x]",
"path": "Extension.extension.value[x]",
"min": 1,
"type": [
{
"code": "string"
}
]
},
{
"id": "Extension.extension:expression",
"path": "Extension.extension",
"sliceName": "expression",
"short": "Context expression",
"definition": "The computable rules that identify the contextual information to display to the user",
"min": 1,
"max": "1"
},
{
"id": "Extension.extension:expression.url",
"path": "Extension.extension.url",
"type": [
{
"code": "uri"
}
],
"fixedUri": "expression"
},
{
"id": "Extension.extension:expression.value[x]",
"path": "Extension.extension.value[x]",
"min": 1,
"type": [
{
"code": "Expression"
}
]
},
{
"id": "Extension.url",
"path": "Extension.url",
"type": [
{
"code": "uri"
}
],
"fixedUri": "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-contextExpression"
},
{
"id": "Extension.value[x]",
"path": "Extension.value[x]",
"max": "0"
}
]
}
}
Extension 
extension:label 
url 
value[x] 
FHIR