{ "description": "Consumers of the code system and the implementations, projects or standards that the author has used the code system in. The use of this extension in no way restricts the use of the code system.", "_filename": "StructureDefinition-codesystem-usage.json", "package_name": "hl7.fhir.uv.extensions", "date": "2020-12-28T16:55:11+11:00", "derivation": "constraint", "publisher": "HL7 International / Terminology Infrastructure", "fhirVersion": "5.0.0", "jurisdiction": [ { "coding": [ { "code": "001", "system": "http://unstats.un.org/unsd/methods/m49/m49.htm" } ] } ], "name": "CSUsage", "mapping": [ { "uri": "http://hl7.org/v3", "name": "RIM Mapping", "identity": "rim" } ], "abstract": false, "type": "Extension", "experimental": "false", "resourceType": "StructureDefinition", "title": "CodeSystem Usage", "package_version": "5.2.0-ballot", "extension": [ { "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg", "valueCode": "ti" }, { "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm", "valueInteger": 3 }, { "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status", "valueCode": "trial-use" }, { "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-type-characteristics", "valueCode": "can-bind" } ], "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": "Consumers of the code system and the implementations, projects or standards that the author has utilized the code system in.", "isModifier": false, "short": "Who has used and how?", "max": "*", "id": "Extension", "comment": "This is likely to be a ???point in time??? view and should not be considered an authoritative listing of all uses of the code system.", "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": 2, "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 }, { "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": 1, "definition": "This is most likely to be an organization but can be an individual. It would not be a program, that information should be recorded in the usage.use.", "isModifier": false, "short": "A consumer of or client for the code system", "type": [ { "code": "Extension" } ], "sliceName": "user", "max": "1", "id": "Extension.extension:user", "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:user.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.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:user.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": "user", "mapping": [ { "map": "N/A", "identity": "rim" } ], "type": [ { "code": "uri" } ], "representation": [ "xmlAttr" ], "max": "1", "id": "Extension.extension:user.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": 1, "definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R5/extensibility.html) for a list).", "isModifier": false, "short": "Value of extension", "mapping": [ { "map": "N/A", "identity": "rim" } ], "type": [ { "code": "string" } ], "max": "1", "id": "Extension.extension:user.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())" }, { "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": 1, "definition": "A descriptive name of the project or standard in which the code system is used.", "isModifier": false, "short": "Implementation/project/standard that uses the code system", "type": [ { "code": "Extension" } ], "sliceName": "use", "max": "1", "id": "Extension.extension:use", "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:use.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.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:use.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": "use", "mapping": [ { "map": "N/A", "identity": "rim" } ], "type": [ { "code": "uri" } ], "representation": [ "xmlAttr" ], "max": "1", "id": "Extension.extension:use.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": 1, "definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R5/extensibility.html) for a list).", "isModifier": false, "short": "Value of extension", "mapping": [ { "map": "N/A", "identity": "rim" } ], "type": [ { "code": "string" } ], "max": "1", "id": "Extension.extension:use.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/StructureDefinition/codesystem-usage", "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/R5/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 } ] }, "status": "active", "id": "774e8111-1774-4dad-ba87-adb89ffbf687", "kind": "complex-type", "url": "http://hl7.org/fhir/StructureDefinition/codesystem-usage", "identifier": [ { "value": "urn:oid:2.16.840.1.113883.4.642.5.1131", "system": "urn:ietf:rfc:3986" } ], "context": [ { "type": "element", "expression": "CodeSystem" } ], "version": "5.2.0-ballot", "differential": { "element": [ { "id": "Extension", "max": "*", "min": 0, "path": "Extension", "short": "Who has used and how?", "comment": "This is likely to be a ???point in time??? view and should not be considered an authoritative listing of all uses of the code system.", "definition": "Consumers of the code system and the implementations, projects or standards that the author has utilized the code system in.", "isModifier": false }, { "path": "Extension.extension", "min": 1, "definition": "This is most likely to be an organization but can be an individual. It would not be a program, that information should be recorded in the usage.use.", "isModifier": false, "short": "A consumer of or client for the code system", "type": [ { "code": "Extension" } ], "sliceName": "user", "max": "1", "id": "Extension.extension:user" }, { "id": "Extension.extension:user.extension", "max": "0", "path": "Extension.extension.extension" }, { "id": "Extension.extension:user.url", "path": "Extension.extension.url", "type": [ { "code": "uri" } ], "fixedUri": "user" }, { "id": "Extension.extension:user.value[x]", "min": 1, "path": "Extension.extension.value[x]", "type": [ { "code": "string" } ] }, { "path": "Extension.extension", "min": 1, "definition": "A descriptive name of the project or standard in which the code system is used.", "isModifier": false, "short": "Implementation/project/standard that uses the code system", "type": [ { "code": "Extension" } ], "sliceName": "use", "max": "1", "id": "Extension.extension:use" }, { "id": "Extension.extension:use.extension", "max": "0", "path": "Extension.extension.extension" }, { "id": "Extension.extension:use.url", "path": "Extension.extension.url", "type": [ { "code": "uri" } ], "fixedUri": "use" }, { "id": "Extension.extension:use.value[x]", "min": 1, "path": "Extension.extension.value[x]", "type": [ { "code": "string" } ] }, { "id": "Extension.url", "path": "Extension.url", "fixedUri": "http://hl7.org/fhir/StructureDefinition/codesystem-usage" }, { "id": "Extension.value[x]", "max": "0", "min": 0, "path": "Extension.value[x]" } ] }, "contact": [ { "telecom": [ { "value": "http://www.hl7.org/Special/committees/Vocab", "system": "url" } ] } ], "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension" }