This page is part of the FHIR Specification (v4.2.0: R5 Preview #1). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions . Page versions: R4B R4 R3 R2
FHIR Infrastructure Work Group | Maturity Level: N/A | Standards Status: Informative |
Raw JSON (canonical form + also see JSON Format Specification)
objectClass
{ "resourceType" : "StructureDefinition", "id" : "11179-objectClass", "extension" : [{ "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg", "valueCode" : "fhir" }, { "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm", "valueInteger" : 1 }], "url" : "http://hl7.org/fhir/StructureDefinition/11179-objectClass", "version" : "4.2.0", "name" : "objectClass", "title" : "Object Class", "status" : "draft", "date" : "2014-04-21", "publisher" : "Health Level Seven International (Orders and Observations)", "contact" : [{ "telecom" : [{ "system" : "url", "value" : "http://hl7.org" }] }], "description" : "A concept that represents a set of ideas, abstractions, or things in the real world that can be identified with explicit boundaries and meaning and whose properties and behavior follow the same rules. It may be either a single concept or a group of associated concepts, abstractions, or things.", "fhirVersion" : "4.2.0", "mapping" : [{ "identity" : "v2", "uri" : "http://hl7.org/v2", "name" : "HL7 v2 Mapping" }, { "identity" : "rim", "uri" : "http://hl7.org/v3", "name" : "RIM Mapping" }, { "identity" : "iso11179", "uri" : "http://metadata-standards.org/11179/", "name" : "ISO 11179" }], "kind" : "complex-type", "abstract" : false, "context" : [{ "type" : "element", "expression" : "ElementDefinition.mapping" }], "type" : "Extension", "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/Extension", "derivation" : "constraint", "snapshot" : { "element" : [{ "id" : "Extension", "path" : "Extension", "short" : "Object Class", "definition" : "A concept that represents a set of ideas, abstractions, or things in the real world that can be identified with explicit boundaries and meaning and whose properties and behavior follow the same rules. It may be either a single concept or a group of associated concepts, abstractions, or things.", "comment" : "ObjectClass and Property are treated as a data model that can be mapped to, like any other. This extension merely captures the ObjectClass element as a discrete code. The information conveyed here should also be conveyed in human-readable form in the mapping.map element.", "min" : 0, "max" : "1", "base" : { "path" : "Extension", "min" : 0, "max" : "*" }, "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" : "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, "mapping" : [{ "identity" : "v2", "map" : "N/A" }, { "identity" : "rim", "map" : "N/A" }, { "identity" : "iso11179", "map" : "Data_Element.meaning.object_class" }] }, { "id" : "Extension.id", "path" : "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", "min" : 0, "max" : "1" }, "type" : [{ "extension" : [{ "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type", "valueUri" : "string" }], "code" : "http://hl7.org/fhirpath/System.String" }], "isModifier" : false, "isSummary" : false, "mapping" : [{ "identity" : "rim", "map" : "n/a" }] }, { "id" : "Extension.extension", "path" : "Extension.extension", "slicing" : { "discriminator" : [{ "type" : "value", "path" : "url" }], "description" : "Extensions are always sliced by (at least) url", "rules" : "open" }, "short" : "Extension", "definition" : "An Extension", "min" : 0, "max" : "0", "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" : "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" : "Extension" }], "isModifier" : false, "isSummary" : false }, { "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" : [{ "extension" : [{ "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type", "valueUri" : "uri" }], "code" : "http://hl7.org/fhirpath/System.String" }], "fixedUri" : "http://hl7.org/fhir/StructureDefinition/11179-objectClass", "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](extensibility.html) for a list).", "min" : 1, "max" : "1", "base" : { "path" : "Extension.value[x]", "min" : 0, "max" : "1" }, "type" : [{ "code" : "Coding" }], "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" : "Element" }], "isModifier" : false, "isSummary" : false, "binding" : { "extension" : [{ "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName", "valueString" : "11179ObjectClass" }], "strength" : "example", "description" : "A concept that represents a set of ideas, abstractions, or things in the real world that can be identified with explicit boundaries and meaning and whose properties and behavior follow the same rules; e.g. Person, Prescription, Encounter, etc.", "valueSet" : "http://hl7.org/fhir/ValueSet/dataelement-sdcobjectclass" }, "mapping" : [{ "identity" : "rim", "map" : "N/A" }] }] }, "differential" : { "element" : [{ "id" : "Extension", "path" : "Extension", "short" : "Object Class", "definition" : "A concept that represents a set of ideas, abstractions, or things in the real world that can be identified with explicit boundaries and meaning and whose properties and behavior follow the same rules. It may be either a single concept or a group of associated concepts, abstractions, or things.", "comment" : "ObjectClass and Property are treated as a data model that can be mapped to, like any other. This extension merely captures the ObjectClass element as a discrete code. The information conveyed here should also be conveyed in human-readable form in the mapping.map element.", "min" : 0, "max" : "1", "mapping" : [{ "identity" : "v2", "map" : "N/A" }, { "identity" : "rim", "map" : "N/A" }, { "identity" : "iso11179", "map" : "Data_Element.meaning.object_class" }] }, { "id" : "Extension.extension", "path" : "Extension.extension", "max" : "0" }, { "id" : "Extension.url", "path" : "Extension.url", "fixedUri" : "http://hl7.org/fhir/StructureDefinition/11179-objectClass" }, { "id" : "Extension.value[x]", "path" : "Extension.value[x]", "min" : 1, "type" : [{ "code" : "Coding" }], "binding" : { "extension" : [{ "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName", "valueString" : "11179ObjectClass" }], "strength" : "example", "description" : "A concept that represents a set of ideas, abstractions, or things in the real world that can be identified with explicit boundaries and meaning and whose properties and behavior follow the same rules; e.g. Person, Prescription, Encounter, etc.", "valueSet" : "http://hl7.org/fhir/ValueSet/dataelement-sdcobjectclass" } }] } }
Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.