{
"description": "This cross-version extension represents ResearchStudy.enrollment from http://hl7.org/fhir/StructureDefinition/ResearchStudy|4.0.1 for use in FHIR R5.",
"_filename": "StructureDefinition-ext-R4-ResearchStudy.enrollment.json",
"package_name": "rs/hl7.fhir.uv.xver",
"date": "2025-06-03T03:13:10.2763342+02:00",
"derivation": "constraint",
"publisher": null,
"fhirVersion": "5.0.0",
"name": "ext_R4_ResearchStudy_enrollment",
"abstract": false,
"type": "Extension",
"experimental": "false",
"resourceType": "StructureDefinition",
"title": "Cross-version Extension for R4.ResearchStudy.enrollment for use in FHIR R5",
"package_version": "r4.r5-0.0.1-snapshot-1",
"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": "Reference to a Group that defines the criteria for and quantity of subjects participating in the study. E.g. \" 200 female Europeans between the ages of 20 and 45 with early onset diabetes\".",
"isModifier": false,
"short": "Inclusion & exclusion criteria",
"mapping": [ {
"map": "n/a,N/A",
"identity": "rim"
} ],
"max": "*",
"id": "Extension",
"comment": "`ResearchStudy.enrollment` has no related element in R5:ResearchStudy",
"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.",
"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.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())"
}, {
"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.extension",
"min": 0,
"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 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
}, {
"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/4.0/StructureDefinition/extension-ResearchStudy.enrollment",
"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": "Reference to a Group that defines the criteria for and quantity of subjects participating in the study. E.g. \" 200 female Europeans between the ages of 20 and 45 with early onset diabetes\".",
"isModifier": false,
"short": "Inclusion & exclusion criteria",
"mapping": [ {
"map": "N/A",
"identity": "rim"
} ],
"type": [ {
"code": "Reference",
"targetProfile": [ "http://hl7.org/fhir/StructureDefinition/Group" ]
} ],
"max": "1",
"id": "Extension.value[x]",
"condition": [ "ext-1" ],
"comment": "`ResearchStudy.enrollment` has no related element in R5:ResearchStudy",
"base": {
"max": "1",
"min": 0,
"path": "Extension.value[x]"
},
"isSummary": false
}, {
"id": "Extension.url",
"max": "1",
"min": 1,
"base": {
"max": "1",
"min": 1,
"path": "Extension.url"
},
"path": "Extension.url",
"fixedUri": "http://hl7.org/fhir/4.0/StructureDefinition/extension-ResearchStudy.enrollment"
} ]
},
"status": "draft",
"id": "7244ad02-9a9b-4b97-b9e9-8fdf8914af33",
"kind": "complex-type",
"url": "http://hl7.org/fhir/4.0/StructureDefinition/extension-ResearchStudy.enrollment",
"context": [ {
"type": "element",
"expression": "ResearchStudy"
} ],
"version": "0.0.1-snapshot-1",
"differential": {
"element": [ {
"id": "Extension",
"max": "*",
"min": 0,
"path": "Extension",
"short": "Inclusion & exclusion criteria",
"comment": "`ResearchStudy.enrollment` has no related element in R5:ResearchStudy",
"definition": "Reference to a Group that defines the criteria for and quantity of subjects participating in the study. E.g. \" 200 female Europeans between the ages of 20 and 45 with early onset diabetes\".",
"isModifier": false
}, {
"id": "Extension.value[x]",
"base": {
"path": "Extension.value[x]"
},
"path": "Extension.value[x]",
"type": [ {
"code": "Reference",
"targetProfile": [ "http://hl7.org/fhir/StructureDefinition/Group" ]
} ],
"short": "Inclusion & exclusion criteria",
"comment": "`ResearchStudy.enrollment` has no related element in R5:ResearchStudy",
"definition": "Reference to a Group that defines the criteria for and quantity of subjects participating in the study. E.g. \" 200 female Europeans between the ages of 20 and 45 with early onset diabetes\"."
}, {
"id": "Extension.url",
"max": "1",
"min": 1,
"path": "Extension.url",
"fixedUri": "http://hl7.org/fhir/4.0/StructureDefinition/extension-ResearchStudy.enrollment"
} ]
},
"baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension"
}