{ "description": "Limit on acceptability of data used to express values of the variable.", "_filename": "StructureDefinition-evidence-variable-constraint.json", "package_name": "hl7.fhir.uv.ebm", "date": "2025-03-28T17:11:38+00:00", "derivation": "constraint", "publisher": "HL7 International / Clinical Decision Support", "fhirVersion": "6.0.0-ballot2", "jurisdiction": [ { "coding": [ { "code": "001", "system": "http://unstats.un.org/unsd/methods/m49/m49.htm", "display": "World" } ] } ], "name": "EvidenceVariableConstraint", "mapping": [ { "uri": "http://hl7.org/v3", "name": "RIM Mapping", "identity": "rim" } ], "abstract": false, "type": "Extension", "experimental": null, "resourceType": "StructureDefinition", "title": null, "package_version": "1.0.0-ballot2", "extension": [ { "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-type-characteristics", "valueCode": "can-bind" }, { "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm", "valueInteger": 1 }, { "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg", "valueCode": "cds" }, { "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status", "valueCode": "draft" } ], "snapshot": { "element": [ { "constraint": [ { "key": "ele-1", "human": "All FHIR elements must have a @value or children", "source": "http://hl7.org/fhir/StructureDefinition/Element", "severity": "error", "expression": "hasValue() or (children().count() > id.count())" }, { "key": "ext-1", "human": "Must have either extensions or value[x], not both", "source": "http://hl7.org/fhir/StructureDefinition/Extension", "severity": "error", "expression": "extension.exists() != value.exists()" } ], "path": "Extension", "min": 0, "definition": "Limit on acceptability of data used to express values of the variable.", "isModifier": false, "short": "Limit on acceptability of data value", "max": "*", "id": "Extension", "base": { "max": "*", "min": 0, "path": "Extension" } }, { "path": "Extension.id", "min": 0, "definition": "Unique id for the element within a resource (for internal references). 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To make the use of extensions safe and managable, 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.", "isModifier": false, "short": "Additional content defined by implementations", "mapping": [ { "map": "n/a", "identity": "rim" } ], "slicing": { "rules": "open", "description": "Extensions are always sliced by (at least) url", "discriminator": [ { "path": "url", "type": "value" } ] }, "type": [ { "code": "Extension" } ], "alias": [ "extensions", "user content" ], "max": "*", "id": "Extension.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.", "base": { "max": "*", "min": 0, "path": "Element.extension" }, "isSummary": false }, { "constraint": [ { "key": "ele-1", "human": "All FHIR elements must have a @value or children", "source": "http://hl7.org/fhir/StructureDefinition/Element", "severity": "error", "expression": "hasValue() or (children().count() > id.count())" } ], "path": "Extension.extension", "min": 0, "definition": "An Extension", "isModifier": false, "short": "Extension", "type": [ { "code": "Extension" } ], "sliceName": "conditional", "max": "1", "id": "Extension.extension:conditional", "base": { "max": "*", "min": 0, "path": "Element.extension" }, "isSummary": false }, { "path": "Extension.extension.id", "min": 0, "definition": "Unique id for the element within a resource (for internal references). 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The definition SHALL be a URI for the Structure Definition defining the extension.", "base": { "max": "1", "min": 1, "path": "Extension.url" }, "isSummary": false }, { "constraint": [ { "key": "ele-1", "human": "All FHIR elements must have a @value or children", "source": "http://hl7.org/fhir/StructureDefinition/Element", "severity": "error", "expression": "hasValue() or (children().count() > id.count())" } ], "path": "Extension.extension.value[x]", "min": 0, "definition": "When this constraint applies.", "isModifier": false, "short": "When this constraint applies", "mapping": [ { "map": "N/A", "identity": "rim" } ], "type": [ { "code": "CodeableConcept" } ], "max": "1", "id": "Extension.extension:conditional.value[x]", "condition": [ "ext-1" ], "base": { "max": "1", "min": 0, "path": "Extension.value[x]" }, "isSummary": false }, { "constraint": [ { "key": "ele-1", "human": "All FHIR elements must have a @value or children", "source": "http://hl7.org/fhir/StructureDefinition/Element", "severity": "error", "expression": "hasValue() or (children().count() > id.count())" } ], "path": "Extension.extension", "min": 0, "definition": "An Extension", "isModifier": false, "short": "Extension", "type": [ { "code": "Extension" } ], "sliceName": "minimumQuantity", "max": "1", "id": "Extension.extension:minimumQuantity", "base": { "max": "*", "min": 0, "path": "Element.extension" }, "isSummary": false }, { "path": "Extension.extension.id", "min": 0, "definition": "Unique id for the element within a resource (for internal references). 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The definition SHALL be a URI for the Structure Definition defining the extension.", "base": { "max": "1", "min": 1, "path": "Extension.url" }, "isSummary": false }, { "constraint": [ { "key": "ele-1", "human": "All FHIR elements must have a @value or children", "source": "http://hl7.org/fhir/StructureDefinition/Element", "severity": "error", "expression": "hasValue() or (children().count() > id.count())" } ], "path": "Extension.extension.value[x]", "min": 0, "definition": "The lowest permissible value of the variable, used with variables that have a number-based datatype (with or without units).", "isModifier": false, "short": "The lowest permissible value of the variable", "mapping": [ { "map": "N/A", "identity": "rim" } ], "type": [ { "code": "Quantity" } ], "max": "1", "id": "Extension.extension:minimumQuantity.value[x]", "condition": [ "ext-1" ], "base": { "max": "1", "min": 0, "path": "Extension.value[x]" }, "isSummary": false }, { "constraint": [ { "key": "ele-1", "human": "All FHIR elements must have a @value or children", "source": "http://hl7.org/fhir/StructureDefinition/Element", "severity": "error", "expression": "hasValue() or (children().count() > id.count())" } ], "path": "Extension.extension", "min": 0, "definition": "An Extension", "isModifier": false, "short": "Extension", "type": [ { "code": "Extension" } ], "sliceName": "maximumQuantity", "max": "1", "id": "Extension.extension:maximumQuantity", "base": { "max": "*", "min": 0, "path": "Element.extension" }, "isSummary": false }, { "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.", "isModifier": false, "short": "Unique id for inter-element referencing", "mapping": [ { "map": "n/a", "identity": "rim" } ], "type": [ { "code": "http://hl7.org/fhirpath/System.String", "extension": [ { "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type", "valueUrl": "id" } ] } ], "representation": [ "xmlAttr" ], "max": "1", "id": "Extension.extension:maximumQuantity.id", "condition": [ "ele-1" ], "base": { "max": "1", "min": 0, "path": "Element.id" }, "isSummary": false }, { "constraint": [ { "key": "ele-1", "human": "All FHIR elements must have a @value or children", "source": "http://hl7.org/fhir/StructureDefinition/Element", "severity": "error", "expression": "hasValue() or (children().count() > id.count())" } ], "path": "Extension.extension.extension", "min": 0, "definition": "An Extension", "isModifier": false, "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:maximumQuantity.extension", "base": { "max": "*", "min": 0, "path": "Element.extension" }, "isSummary": false }, { "path": "Extension.extension.url", "min": 1, "definition": "Source of the definition for the extension code - a logical name or a URL.", "isModifier": false, "short": "identifies the meaning of the extension", "fixedUri": "maximumQuantity", "mapping": [ { "map": "N/A", "identity": "rim" } ], "type": [ { "code": "http://hl7.org/fhirpath/System.String", "extension": [ { "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type", "valueUrl": "uri" } ] } ], "representation": [ "xmlAttr" ], "max": "1", "id": "Extension.extension:maximumQuantity.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" }, "isSummary": false }, { "constraint": [ { "key": "ele-1", "human": "All FHIR elements must have a @value or children", "source": "http://hl7.org/fhir/StructureDefinition/Element", "severity": "error", "expression": "hasValue() or (children().count() > id.count())" } ], "path": "Extension.extension.value[x]", "min": 0, "definition": "The highest permissible value of the variable, used with variables that have a number-based datatype (with or without units).", "isModifier": false, "short": "The highest permissible value of the variable", "mapping": [ { "map": "N/A", "identity": "rim" } ], "type": [ { "code": "Quantity" } ], "max": "1", "id": "Extension.extension:maximumQuantity.value[x]", "condition": [ "ext-1" ], "base": { "max": "1", "min": 0, "path": "Extension.value[x]" }, "isSummary": false }, { "constraint": [ { "key": "ele-1", "human": "All FHIR elements must have a @value or children", "source": "http://hl7.org/fhir/StructureDefinition/Element", "severity": "error", "expression": "hasValue() or (children().count() > id.count())" } ], "path": "Extension.extension", "min": 0, "definition": "An Extension", "isModifier": false, "short": "Extension", "type": [ { "code": "Extension" } ], "sliceName": "earliestDateTime", "max": "1", "id": "Extension.extension:earliestDateTime", "base": { "max": "*", "min": 0, "path": "Element.extension" }, "isSummary": false }, { "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.", "isModifier": false, "short": "Unique id for inter-element referencing", "mapping": [ { "map": "n/a", "identity": "rim" } ], "type": [ { "code": "http://hl7.org/fhirpath/System.String", "extension": [ { "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type", "valueUrl": "id" } ] } ], "representation": [ "xmlAttr" ], "max": "1", "id": "Extension.extension:earliestDateTime.id", "condition": [ "ele-1" ], "base": { "max": "1", "min": 0, "path": "Element.id" }, "isSummary": false }, { "constraint": [ { "key": "ele-1", "human": "All FHIR elements must have a @value or children", "source": "http://hl7.org/fhir/StructureDefinition/Element", "severity": "error", "expression": "hasValue() or (children().count() > id.count())" } ], "path": "Extension.extension.extension", "min": 0, "definition": "An Extension", "isModifier": false, "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:earliestDateTime.extension", "base": { "max": "*", "min": 0, "path": "Element.extension" }, "isSummary": false }, { "path": "Extension.extension.url", "min": 1, "definition": "Source of the definition for the extension code - a logical name or a URL.", "isModifier": false, "short": "identifies the meaning of the extension", "fixedUri": "earliestDateTime", "mapping": [ { "map": "N/A", "identity": "rim" } ], "type": [ { "code": "http://hl7.org/fhirpath/System.String", "extension": [ { "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type", "valueUrl": "uri" } ] } ], "representation": [ "xmlAttr" ], "max": "1", "id": "Extension.extension:earliestDateTime.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" }, "isSummary": false }, { "constraint": [ { "key": "ele-1", "human": "All FHIR elements must have a @value or children", "source": "http://hl7.org/fhir/StructureDefinition/Element", "severity": "error", "expression": "hasValue() or (children().count() > id.count())" } ], "path": "Extension.extension.value[x]", "min": 0, "definition": "The earliest permissible value of the variable, used with variables that have a date/time-based datatype.", "isModifier": false, "short": "The earliest permissible value of the variable", "mapping": [ { "map": "N/A", "identity": "rim" } ], "type": [ { "code": "dateTime" } ], "max": "1", "id": "Extension.extension:earliestDateTime.value[x]", "condition": [ "ext-1" ], "base": { "max": "1", "min": 0, "path": "Extension.value[x]" }, "isSummary": false }, { "constraint": [ { "key": "ele-1", "human": "All FHIR elements must have a @value or children", "source": "http://hl7.org/fhir/StructureDefinition/Element", "severity": "error", "expression": "hasValue() or (children().count() > id.count())" } ], "path": "Extension.extension", "min": 0, "definition": "An Extension", "isModifier": false, "short": "Extension", "type": [ { "code": "Extension" } ], "sliceName": "latestDateTime", "max": "1", "id": "Extension.extension:latestDateTime", "base": { "max": "*", "min": 0, "path": "Element.extension" }, "isSummary": false }, { "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.", "isModifier": false, "short": "Unique id for inter-element referencing", "mapping": [ { "map": "n/a", "identity": "rim" } ], "type": [ { "code": "http://hl7.org/fhirpath/System.String", "extension": [ { "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type", "valueUrl": "id" } ] } ], "representation": [ "xmlAttr" ], "max": "1", "id": "Extension.extension:latestDateTime.id", "condition": [ "ele-1" ], "base": { "max": "1", "min": 0, "path": "Element.id" }, "isSummary": false }, { "constraint": [ { "key": "ele-1", "human": "All FHIR elements must have a @value or children", "source": "http://hl7.org/fhir/StructureDefinition/Element", "severity": "error", "expression": "hasValue() or (children().count() > id.count())" } ], "path": "Extension.extension.extension", "min": 0, "definition": "An Extension", "isModifier": false, "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:latestDateTime.extension", "base": { "max": "*", "min": 0, "path": "Element.extension" }, "isSummary": false }, { "path": "Extension.extension.url", "min": 1, "definition": "Source of the definition for the extension code - a logical name or a URL.", "isModifier": false, "short": "identifies the meaning of the extension", "fixedUri": "latestDateTime", "mapping": [ { "map": "N/A", "identity": "rim" } ], "type": [ { "code": "http://hl7.org/fhirpath/System.String", "extension": [ { "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type", "valueUrl": "uri" } ] } ], "representation": [ "xmlAttr" ], "max": "1", "id": "Extension.extension:latestDateTime.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" }, "isSummary": false }, { "constraint": [ { "key": "ele-1", "human": "All FHIR elements must have a @value or children", "source": "http://hl7.org/fhir/StructureDefinition/Element", "severity": "error", "expression": "hasValue() or (children().count() > id.count())" } ], "path": "Extension.extension.value[x]", "min": 0, "definition": "The latest permissible value of the variable, used with variables that have a date/time-based datatype.", "isModifier": false, "short": "The latest permissible value of the variable", "mapping": [ { "map": "N/A", "identity": "rim" } ], "type": [ { "code": "dateTime" } ], "max": "1", "id": "Extension.extension:latestDateTime.value[x]", "condition": [ "ext-1" ], "base": { "max": "1", "min": 0, "path": "Extension.value[x]" }, "isSummary": false }, { "constraint": [ { "key": "ele-1", "human": "All FHIR elements must have a @value or children", "source": "http://hl7.org/fhir/StructureDefinition/Element", "severity": "error", "expression": "hasValue() or (children().count() > id.count())" } ], "path": "Extension.extension", "min": 0, "definition": "An Extension", "isModifier": false, "short": "Extension", "type": [ { "code": "Extension" } ], "sliceName": "minimumStringLength", "max": "1", "id": "Extension.extension:minimumStringLength", "base": { "max": "*", "min": 0, "path": "Element.extension" }, "isSummary": false }, { "path": "Extension.extension.id", "min": 0, "definition": "Unique id for the element within a resource (for internal references). 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This may be any string value that does not contain spaces.", "isModifier": false, "short": "Unique id for inter-element referencing", "mapping": [ { "map": "n/a", "identity": "rim" } ], "type": [ { "code": "http://hl7.org/fhirpath/System.String", "extension": [ { "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type", "valueUrl": "id" } ] } ], "representation": [ "xmlAttr" ], "max": "1", "id": "Extension.extension:anyValueAllowed.id", "condition": [ "ele-1" ], "base": { "max": "1", "min": 0, "path": "Element.id" }, "isSummary": false }, { "constraint": [ { "key": "ele-1", "human": "All FHIR elements must have a @value or children", "source": "http://hl7.org/fhir/StructureDefinition/Element", "severity": "error", "expression": "hasValue() or (children().count() > id.count())" } ], "path": "Extension.extension.extension", "min": 0, "definition": "An Extension", "isModifier": false, "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:anyValueAllowed.extension", "base": { "max": "*", "min": 0, "path": "Element.extension" }, "isSummary": false }, { "path": "Extension.extension.url", "min": 1, "definition": "Source of the definition for the extension code - a logical name or a URL.", "isModifier": false, "short": "identifies the meaning of the extension", "fixedUri": "anyValueAllowed", "mapping": [ { "map": "N/A", "identity": "rim" } ], "type": [ { "code": "http://hl7.org/fhirpath/System.String", "extension": [ { "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type", "valueUrl": "uri" } ] } ], "representation": [ "xmlAttr" ], "max": "1", "id": "Extension.extension:anyValueAllowed.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" }, "isSummary": false }, { "constraint": [ { "key": "ele-1", "human": "All FHIR elements must have a @value or children", "source": "http://hl7.org/fhir/StructureDefinition/Element", "severity": "error", "expression": "hasValue() or (children().count() > id.count())" } ], "path": "Extension.extension.value[x]", "min": 0, "definition": "Whether the value expressed for a variable is allowed to not be restricted to the expected value set.", "isModifier": false, "short": "Permissibility of unanticipated value used to express value of the variable", "mapping": [ { "map": "N/A", "identity": "rim" } ], "type": [ { "code": "boolean" } ], "max": "1", "id": "Extension.extension:anyValueAllowed.value[x]", "condition": [ "ext-1" ], "base": { "max": "1", "min": 0, "path": "Extension.value[x]" }, "isSummary": false }, { "path": "Extension.url", "min": 1, "definition": "Source of the definition for the extension code - a logical name or a URL.", "isModifier": false, "short": "identifies the meaning of the extension", "fixedUri": "http://hl7.org/fhir/uv/ebm/StructureDefinition/evidence-variable-constraint", "mapping": [ { "map": "N/A", "identity": "rim" } ], "type": [ { "code": "http://hl7.org/fhirpath/System.String", "extension": [ { "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type", "valueUrl": "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" }, "isSummary": false }, { "constraint": [ { "key": "ele-1", "human": "All FHIR elements must have a @value or children", "source": "http://hl7.org/fhir/StructureDefinition/Element", "severity": "error", "expression": "hasValue() or (children().count() > id.count())" } ], "path": "Extension.value[x]", "min": 0, "definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/6.0.0-ballot2/extensibility.html) for a list).", "isModifier": false, "short": "Value of extension", "mapping": [ { "map": "N/A", "identity": "rim" } ], "type": [ { "code": "base64Binary" }, { "code": "boolean" }, { "code": "canonical" }, { "code": "code" }, { "code": "date" }, { "code": "dateTime" }, { "code": "decimal" }, { "code": "id" }, { "code": "instant" }, { "code": "integer" }, { "code": "integer64" }, { "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": "CodeableReference" }, { "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": "RatioRange" }, { "code": "Reference" }, { "code": "SampledData" }, { "code": "Signature" }, { "code": "Timing" }, { "code": "ContactDetail" }, { "code": "DataRequirement" }, { "code": "Expression" }, { "code": "ParameterDefinition" }, { "code": "RelatedArtifact" }, { "code": "TriggerDefinition" }, { "code": "UsageContext" }, { "code": "Availability" }, { "code": "ExtendedContactDetail" }, { "code": "Dosage" }, { "code": "Meta" } ], "max": "0", "id": "Extension.value[x]", "condition": [ "ext-1" ], "base": { "max": "1", "min": 0, "path": "Extension.value[x]" }, "isSummary": false } ], "extension": [ { "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version", "valueString": "6.0.0-ballot2" } ] }, "status": "draft", "id": "3d443d7b-e59a-4bd5-8274-e517e94c235c", "kind": "complex-type", "url": "http://hl7.org/fhir/uv/ebm/StructureDefinition/evidence-variable-constraint", "identifier": [ { "value": "urn:oid:2.16.840.1.113883.4.642.40.44.42.44", "system": "urn:ietf:rfc:3986" } ], "context": [ { "type": "element", "expression": "EvidenceVariable" } ], "version": "1.0.0-ballot2", "differential": { "element": [ { "id": "Extension", "path": "Extension", "short": "Limit on acceptability of data value", "definition": "Limit on acceptability of data used to express values of the variable." }, { "id": "Extension.extension:conditional", "max": "1", "min": 0, "path": "Extension.extension", "sliceName": "conditional" }, { "id": "Extension.extension:conditional.extension", "max": "0", "path": "Extension.extension.extension" }, { "id": "Extension.extension:conditional.url", "path": "Extension.extension.url", "fixedUri": "conditional" }, { "id": "Extension.extension:conditional.value[x]", "path": "Extension.extension.value[x]", "type": [ { "code": "CodeableConcept" } ], "short": "When this constraint applies", "definition": "When this constraint applies." }, { "id": "Extension.extension:minimumQuantity", "max": "1", "min": 0, "path": "Extension.extension", "sliceName": "minimumQuantity" }, { "id": "Extension.extension:minimumQuantity.extension", "max": "0", "path": "Extension.extension.extension" }, { "id": "Extension.extension:minimumQuantity.url", "path": "Extension.extension.url", "fixedUri": "minimumQuantity" }, { "id": "Extension.extension:minimumQuantity.value[x]", "path": "Extension.extension.value[x]", "type": [ { "code": "Quantity" } ], "short": "The lowest permissible value of the variable", "definition": "The lowest permissible value of the variable, used with variables that have a number-based datatype (with or without units)." }, { "id": "Extension.extension:maximumQuantity", "max": "1", "min": 0, "path": "Extension.extension", "sliceName": "maximumQuantity" }, { "id": "Extension.extension:maximumQuantity.extension", "max": "0", "path": "Extension.extension.extension" }, { "id": "Extension.extension:maximumQuantity.url", "path": "Extension.extension.url", "fixedUri": "maximumQuantity" }, { "id": "Extension.extension:maximumQuantity.value[x]", "path": "Extension.extension.value[x]", "type": [ { "code": "Quantity" } ], "short": "The highest permissible value of the variable", "definition": "The highest permissible value of the variable, used with variables that have a number-based datatype (with or without units)." }, { "id": "Extension.extension:earliestDateTime", "max": "1", "min": 0, "path": "Extension.extension", "sliceName": "earliestDateTime" }, { "id": "Extension.extension:earliestDateTime.extension", "max": "0", "path": "Extension.extension.extension" }, { "id": "Extension.extension:earliestDateTime.url", "path": "Extension.extension.url", "fixedUri": "earliestDateTime" }, { "id": "Extension.extension:earliestDateTime.value[x]", "path": "Extension.extension.value[x]", "type": [ { "code": "dateTime" } ], "short": "The earliest permissible value of the variable", "definition": "The earliest permissible value of the variable, used with variables that have a date/time-based datatype." }, { "id": "Extension.extension:latestDateTime", "max": "1", "min": 0, "path": "Extension.extension", "sliceName": "latestDateTime" }, { "id": "Extension.extension:latestDateTime.extension", "max": "0", "path": "Extension.extension.extension" }, { "id": "Extension.extension:latestDateTime.url", "path": "Extension.extension.url", "fixedUri": "latestDateTime" }, { "id": "Extension.extension:latestDateTime.value[x]", "path": "Extension.extension.value[x]", "type": [ { "code": "dateTime" } ], "short": "The latest permissible value of the variable", "definition": "The latest permissible value of the variable, used with variables that have a date/time-based datatype." }, { "id": "Extension.extension:minimumStringLength", "max": "1", "min": 0, "path": "Extension.extension", "sliceName": "minimumStringLength" }, { "id": "Extension.extension:minimumStringLength.extension", "max": "0", "path": "Extension.extension.extension" }, { "id": "Extension.extension:minimumStringLength.url", "path": "Extension.extension.url", "fixedUri": "minimumStringLength" }, { "id": "Extension.extension:minimumStringLength.value[x]", "path": "Extension.extension.value[x]", "type": [ { "code": "integer" } ], "short": "The lowest number of characters allowed for a value of the variable", "definition": "The lowest number of characters allowed for a value of the variable, used with variables that have a string-based datatype." }, { "id": "Extension.extension:maximumStringLength", "max": "1", "min": 0, "path": "Extension.extension", "sliceName": "maximumStringLength" }, { "id": "Extension.extension:maximumStringLength.extension", "max": "0", "path": "Extension.extension.extension" }, { "id": "Extension.extension:maximumStringLength.url", "path": "Extension.extension.url", "fixedUri": "maximumStringLength" }, { "id": "Extension.extension:maximumStringLength.value[x]", "path": "Extension.extension.value[x]", "type": [ { "code": "positiveInt" } ], "short": "The highest number of characters allowed for a value of the variable", "definition": "The highest number of characters allowed for a value of the variable, used with variables that have a string-based datatype." }, { "id": "Extension.extension:code", "max": "1", "min": 0, "path": "Extension.extension", "sliceName": "code" }, { "id": "Extension.extension:code.extension", "max": "0", "path": "Extension.extension.extension" }, { "id": "Extension.extension:code.url", "path": "Extension.extension.url", "fixedUri": "code" }, { "id": "Extension.extension:code.value[x]", "path": "Extension.extension.value[x]", "type": [ { "code": "CodeableConcept" } ], "short": "Rule for acceptable data values", "definition": "A rule, such as a format or other expectation, for the data values." }, { "id": "Extension.extension:expression", "max": "1", "min": 0, "path": "Extension.extension", "sliceName": "expression" }, { "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]", "path": "Extension.extension.value[x]", "type": [ { "code": "Expression" } ], "short": "Rule for acceptable data values, as an Expression", "definition": "A rule, such as a format or other expectation, for the data values, expressed as an Expression." }, { "id": "Extension.extension:expectedValueSet", "max": "1", "min": 0, "path": "Extension.extension", "sliceName": "expectedValueSet" }, { "id": "Extension.extension:expectedValueSet.extension", "max": "0", "path": "Extension.extension.extension" }, { "id": "Extension.extension:expectedValueSet.url", "path": "Extension.extension.url", "fixedUri": "expectedValueSet" }, { "id": "Extension.extension:expectedValueSet.value[x]", "path": "Extension.extension.value[x]", "type": [ { "code": "Reference", "targetProfile": [ "http://hl7.org/fhir/StructureDefinition/ValueSet" ] } ], "short": "List of anticipated values used to express value of the variable", "definition": "List of anticipated values used to express value of the variable, used with variables that have a codeable concept-based datatype." }, { "id": "Extension.extension:expectedUnitsValueSet", "max": "1", "min": 0, "path": "Extension.extension", "sliceName": "expectedUnitsValueSet" }, { "id": "Extension.extension:expectedUnitsValueSet.extension", "max": "0", "path": "Extension.extension.extension" }, { "id": "Extension.extension:expectedUnitsValueSet.url", "path": "Extension.extension.url", "fixedUri": "expectedUnitsValueSet" }, { "id": "Extension.extension:expectedUnitsValueSet.value[x]", "path": "Extension.extension.value[x]", "type": [ { "code": "Reference", "targetProfile": [ "http://hl7.org/fhir/StructureDefinition/ValueSet" ] } ], "short": "List of anticipated values used to express units for the value of the variable", "definition": "List of anticipated values used to express units for the value of the variable, used with variables that have a Quantity-based datatype." }, { "id": "Extension.extension:anyValueAllowed", "max": "1", "min": 0, "path": "Extension.extension", "sliceName": "anyValueAllowed" }, { "id": "Extension.extension:anyValueAllowed.extension", "max": "0", "path": "Extension.extension.extension" }, { "id": "Extension.extension:anyValueAllowed.url", "path": "Extension.extension.url", "fixedUri": "anyValueAllowed" }, { "id": "Extension.extension:anyValueAllowed.value[x]", "path": "Extension.extension.value[x]", "type": [ { "code": "boolean" } ], "short": "Permissibility of unanticipated value used to express value of the variable", "definition": "Whether the value expressed for a variable is allowed to not be restricted to the expected value set." }, { "id": "Extension.url", "path": "Extension.url", "fixedUri": "http://hl7.org/fhir/uv/ebm/StructureDefinition/evidence-variable-constraint" }, { "id": "Extension.value[x]", "max": "0", "path": "Extension.value[x]" } ] }, "contact": [ { "name": "HL7 International / Clinical Decision Support", "telecom": [ { "value": "http://www.hl7.org/Special/committees/dss", "system": "url" } ] } ], "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension" }