DSTU2 QA Preview
This page is part of the FHIR Specification (v1.0.0: DSTU 2 Ballot 3). 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: R5 R4B R4 R3 R2
StructureDefinition for valueset
{
"resourceType": "StructureDefinition",
"id": "ValueSet",
"meta": {
"lastUpdated": "2015-09-01T14:38:48.206+10:00"
},
"text": {
"status": "generated",
"div": "<div>!-- Snipped for Brevity --></div>"
},
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
"valueInteger": 4
}
],
"url": "http://hl7.org/fhir/StructureDefinition/ValueSet",
"name": "ValueSet",
"status": "draft",
"publisher": "Health Level Seven International (Vocabulary)",
"contact": [
{
"telecom": [
{
"system": "other",
"value": "http://hl7.org/fhir"
}
]
},
{
"telecom": [
{
"system": "other",
"value": "http://www.hl7.org/Special/committees/Vocab/index.cfm"
}
]
}
],
"date": "2015-09-01T14:38:48+10:00",
"description": "Base StructureDefinition for ValueSet Resource",
"mapping": [
{
"identity": "rim",
"uri": "http://hl7.org/v3",
"name": "RIM"
},
{
"identity": "w5",
"uri": "http://hl7.org/fhir/w5",
"name": "W5 Mapping"
},
{
"identity": "define.xml2.0",
"uri": "http://www.cdisc.org/define-xml",
"name": "CDISC Define XML 2.0 metadata standard"
}
],
"kind": "resource",
"abstract": false,
"base": "http://hl7.org/fhir/StructureDefinition/DomainResource",
"snapshot": {
"element": [
{
"path": "ValueSet",
"short": "A set of codes drawn from one or more code systems",
"definition": "A value set specifies a set of codes drawn from one or more code systems.",
"min": 0,
"max": "*",
"type": [
{
"code": "DomainResource"
}
],
"constraint": [
{
"key": "vsd-7",
"severity": "error",
"human": "A defined code system (if present) SHALL have a different identifier to the value set itself",
"xpath": "not(f:codeSystem/f:system/@value = f:identifier/@value)"
},
{
"key": "vsd-5",
"severity": "error",
"human": "Value set SHALL contain at least one of a codeSystem, a compose, or an expansion element",
"xpath": "exists(f:codeSystem) or exists(f:compose) or exists(f:expansion)"
},
{
"key": "vsd-2",
"severity": "error",
"human": "A value set with only one import SHALL also have an include and/or an exclude unless the value set includes and inline code system",
"xpath": "not(exists(f:compose)) or (count(f:compose/f:import)!=1 or exists(f:compose/f:include) or exists(f:compose/f:exclude) or exists(f:codeSystem))"
}
],
"mapping": [
{
"identity": "rim",
"map": "N/A"
},
{
"identity": "w5",
"map": "conformance.terminology"
}
]
},
{
"path": "ValueSet.id",
"short": "Logical id of this artifact",
"definition": "The logical id of the resource, as used in the url for the resource. Once assigned, this value never changes.",
"comments": "The only time that a resource does not have an id is when it is being submitted to the server using a create operation. Bundles always have an id, though it is usually a generated UUID.",
"min": 0,
"max": "1",
"type": [
{
"code": "id"
}
],
"isSummary": true
},
{
"path": "ValueSet.meta",
"short": "Metadata about the resource",
"definition": "The metadata about the resource. This is content that is maintained by the infrastructure. Changes to the content may not always be associated with version changes to the resource.",
"min": 0,
"max": "1",
"type": [
{
"code": "Meta"
}
],
"isSummary": true
},
{
"path": "ValueSet.implicitRules",
"short": "A set of rules under which this content was created",
"definition": "A reference to a set of rules that were followed when the resource was constructed, and which must be understood when processing the content.",
"comments": "Asserting this rule set restricts the content to be only understood by a limited set of trading partners. This inherently limits the usefulness of the data in the long term. However the existing health eco-system is highly fractured, and not yet ready to define, collect, and exchange data in a generally computable sense. Wherever possible, implementers and/or specification writers should avoid using this element as much as possible.",
"min": 0,
"max": "1",
"type": [
{
"code": "uri"
}
],
"isModifier": true,
"isSummary": true
},
{
"path": "ValueSet.language",
"short": "Language of the resource content",
"definition": "The base language in which the resource is written.",
"comments": "Language is provided to support indexing and accessibility (typically, services such as text to speech use the language tag). The html language tag in the narrative applies to the narrative. The language tag on the resource may be used to specify the language of other presentations generated from the data in the resource Not all the content has to be in the base language. The Resource.language should not be assumed to apply to the narrative automatically. If a language is specified, it should it also be specified on the div element in the html (see rules in HTML5 for information about the relationship between xml:lang and the html lang attribute).",
"min": 0,
"max": "1",
"type": [
{
"code": "code"
}
],
"binding": {
"strength": "required",
"description": "A human language",
"valueSetUri": "http://tools.ietf.org/html/bcp47"
}
},
{
"path": "ValueSet.text",
"short": "Text summary of the resource, for human interpretation",
"definition": "A human-readable narrative that contains a summary of the resource, and may be used to represent the content of the resource to a human. The narrative need not encode all the structured data, but is required to contain sufficient detail to make it \"clinically safe\" for a human to just read the narrative. Resource definitions may define what content should be represented in the narrative to ensure clinical safety.",
"comments": "Contained resources do not have narrative. Resources that are not contained SHOULD have a narrative.",
"alias": [
"narrative",
"html",
"xhtml",
"display"
],
"min": 0,
"max": "1",
"type": [
{
"code": "Narrative"
}
],
"condition": [
"dom-1"
],
"mapping": [
{
"identity": "rim",
"map": "Act.text?"
}
]
},
{
"path": "ValueSet.contained",
"short": "Contained, inline Resources",
"definition": "These resources do not have an independent existence apart from the resource that contains them - they cannot be identified independently, and nor can they have their own independent transaction scope.",
"comments": "This should never be done when the content can be identified properly, as once identification is lost, it is extremely difficult (and context dependent) to restore it again.",
"alias": [
"inline resources",
"anonymous resources",
"contained resources"
],
"min": 0,
"max": "*",
"type": [
{
"code": "Resource"
}
],
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "ValueSet.extension",
"short": "Additional Content defined by implementations",
"definition": "May be used to represent additional information that is not part of the basic definition of the resource. In order 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 is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
"comments": "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": "*",
"type": [
{
"code": "Extension"
}
],
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "ValueSet.modifierExtension",
"short": "Extensions that cannot be ignored",
"definition": "May be used to represent additional information that is not part of the basic definition of the resource, and that modifies the understanding of the element that contains it. Usually modifier elements provide negation or qualification. In order 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 is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.",
"comments": "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": "*",
"type": [
{
"code": "Extension"
}
],
"isModifier": true,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "ValueSet.url",
"short": "Globally unique logical id for value set",
"definition": "An absolute URL that is used to identify this value set when it is referenced in a specification, model, design or an instance. This SHALL be a URL, SHOULD be globally unique, and SHOULD be an address at which this value set is (or will be) published.",
"min": 0,
"max": "1",
"type": [
{
"code": "uri"
}
],
"isSummary": true,
"mapping": [
{
"identity": "rim",
"map": "N/A"
},
{
"identity": "w5",
"map": "id"
}
]
},
{
"path": "ValueSet.identifier",
"short": "Additional identifier for the value set (v2 / CDA)",
"definition": "Formal identifier that is used to identify this value set when it is represented in other formats, or referenced in a specification, model, design or an instance.",
"comments": "Typically, this is used for values that can go in a v3 II data type.",
"min": 0,
"max": "1",
"type": [
{
"code": "Identifier"
}
],
"isSummary": true,
"mapping": [
{
"identity": "define.xml2.0",
"map": "Identifier part"
},
{
"identity": "w5",
"map": "id"
}
]
},
{
"path": "ValueSet.version",
"short": "Logical id for this version of the value set",
"definition": "Used to identify this version of the value set when it is referenced in a specification, model, design or instance. This is an arbitrary value managed by the profile author manually and the value should be a timestamp.",
"comments": "There may be multiple resource versions of the value set that have the same identifier.",
"min": 0,
"max": "1",
"type": [
{
"code": "string"
}
],
"isSummary": true,
"mapping": [
{
"identity": "rim",
"map": "N/A"
},
{
"identity": "w5",
"map": "id.version"
}
]
},
{
"path": "ValueSet.name",
"short": "Informal name for this value set",
"definition": "A free text natural language name describing the value set.",
"comments": "The name is not expected to be unique. A name should be provided unless the value set is a contained resource (e.g. an anonymous value set in a profile). Most registries will require a name.",
"requirements": "Support human navigation.",
"min": 0,
"max": "1",
"type": [
{
"code": "string"
}
],
"isSummary": true,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "ValueSet.status",
"short": "draft | active | retired",
"definition": "The status of the value set.",
"comments": "Allows filtering of value sets that are appropriate for use vs. not.",
"requirements": "Identify when/if the value set should be used.",
"min": 1,
"max": "1",
"type": [
{
"code": "code"
}
],
"isModifier": true,
"isSummary": true,
"binding": {
"strength": "required",
"description": "The lifecycle status of a Value Set or Concept Map",
"valueSetReference": {
"reference": "http://hl7.org/fhir/ValueSet/conformance-resource-status"
}
},
"mapping": [
{
"identity": "rim",
"map": "N/A"
},
{
"identity": "w5",
"map": "status"
}
]
},
{
"path": "ValueSet.experimental",
"short": "If for testing purposes, not real usage",
"definition": "This valueset was authored for testing purposes (or education/evaluation/marketing), and is not intended to be used for genuine usage.",
"comments": "Allows filtering of value sets that are appropriate for use vs. not.",
"min": 0,
"max": "1",
"type": [
{
"code": "boolean"
}
],
"isSummary": true,
"mapping": [
{
"identity": "w5",
"map": "class"
}
]
},
{
"path": "ValueSet.publisher",
"short": "Name of the publisher (Organization or individual)",
"definition": "The name of the individual or organization that published the value set.",
"comments": "Usually an organization, but may be an individual. This item SHOULD be populated unless the information is available from context.",
"requirements": "Helps establish the \"authority/credibility\" of the value set. May also allow for contact.",
"min": 0,
"max": "1",
"type": [
{
"code": "string"
}
],
"isSummary": true,
"mapping": [
{
"identity": "w5",
"map": "who.witness"
}
]
},
{
"path": "ValueSet.contact",
"short": "Contact details of the publisher",
"definition": "Contacts to assist a user in finding and communicating with the publisher.",
"comments": "May be a web site, an email address, a telephone number (tel:), etc.",
"min": 0,
"max": "*",
"type": [
{
"code": "BackboneElement"
}
],
"isSummary": true
},
{
"path": "ValueSet.contact.id",
"representation": [
"xmlAttr"
],
"short": "xml:id (or equivalent in JSON)",
"definition": "unique id for the element within a resource (for internal references).",
"min": 0,
"max": "1",
"type": [
{
"code": "id"
}
],
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"path": "ValueSet.contact.extension",
"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. In order 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 is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
"comments": "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": "*",
"type": [
{
"code": "Extension"
}
],
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"path": "ValueSet.contact.modifierExtension",
"short": "Extensions that cannot be ignored",
"definition": "May be used to represent additional information that is not part of the basic definition of the element, and that modifies the understanding of the element that contains it. Usually modifier elements provide negation or qualification. In order 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 is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.",
"comments": "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",
"modifiers"
],
"min": 0,
"max": "*",
"type": [
{
"code": "Extension"
}
],
"isModifier": true,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "ValueSet.contact.name",
"short": "Name of a individual to contact",
"definition": "The name of an individual to contact regarding the value set.",
"comments": "If there is no named individual, the telecom is for the organization as a whole.",
"min": 0,
"max": "1",
"type": [
{
"code": "string"
}
],
"isSummary": true
},
{
"path": "ValueSet.contact.telecom",
"short": "Contact details for individual or publisher",
"definition": "Contact details for individual (if a name was provided) or the publisher.",
"min": 0,
"max": "*",
"type": [
{
"code": "ContactPoint"
}
],
"isSummary": true
},
{
"path": "ValueSet.date",
"short": "Date for given status",
"definition": "The date that the value set status was last changed. The date must change when the business version changes, if it does, and it must change if the status code changes. in addition, it should change when the substantiative content of the implementation guide changes (e.g. the 'content logical definition').",
"comments": "Note that this is not the same as the resource last-modified-date, since the resource may be a secondary representation of the value set. Additional specific dates may be added as extensions.",
"requirements": "Need to know when a value set was first legal for use or became withdrawn or replaced.",
"min": 0,
"max": "1",
"type": [
{
"code": "dateTime"
}
],
"isSummary": true,
"mapping": [
{
"identity": "rim",
"map": "N/A"
},
{
"identity": "w5",
"map": "when.recorded"
}
]
},
{
"path": "ValueSet.lockedDate",
"short": "Fixed date for all referenced code systems and value sets",
"definition": "If a Locked Date is defined, then the Content Logical Definition must be evaluated using the current version of all referenced code system(s) and value sets as of the Locked Date.",
"comments": "With a defined Locked Date the value set is considered \"Locked\". Otherwise, the value set may have different expansions as underlying code systems and/or value sets evolve. The interpretation of lockedDate is often dependent on the context - e.g. a SNOMED CT derived value set with a lockedDate will have a different expansion in USA than in UK. If a value set specifies a version for include and exclude statements, and also specifies a locked date, the specified versions need to be available that date, or the value set will not be usable.",
"min": 0,
"max": "1",
"type": [
{
"code": "date"
}
],
"isSummary": true,
"mapping": [
{
"identity": "w5",
"map": "when.init"
}
]
},
{
"path": "ValueSet.description",
"short": "Human language description of the value set",
"definition": "A free text natural language description of the use of the value set - reason for definition, \"the semantic space\" to be included in the value set, conditions of use, etc. The description may include a list of expected usages for the value set and can also describe the approach taken to build the value set.",
"comments": "The description is not intended to describe the semantics of the Value Set - there are no intrinsic semantics separate from the codes contained in its expansion. The description should capture its intended use, which is needed for ensuring integrity for its use in models across future changes. . A description should be provided unless the value set is a contained resource (e.g. an anonymous value set in a profile). Most registries will require a description.",
"requirements": "Human understandability.",
"alias": [
"Scope",
"Purpose"
],
"min": 0,
"max": "1",
"type": [
{
"code": "string"
}
],
"isSummary": true,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "ValueSet.useContext",
"short": "Content intends to support these contexts",
"definition": "The content was developed with a focus and intent of supporting the contexts that are listed. These terms may be used to assist with indexing and searching of value set definitions.",
"requirements": "Assist in searching for appropriate content.",
"min": 0,
"max": "*",
"type": [
{
"code": "CodeableConcept"
}
],
"isSummary": true,
"binding": {
"strength": "extensible",
"description": "Indicates the countries, regions, disciplines and other aspects of use this artifact is targeted for use within",
"valueSetReference": {
"reference": "http://hl7.org/fhir/ValueSet/use-context"
}
},
"mapping": [
{
"identity": "define.xml2.0",
"map": "COMPONENT, PROPERTY, TIME_ASPCT, SYSTEM, SCALE_TYP, METHOD_TYP, CLASS, CLASSTYPE, ORDER_OBS, DOCUMENT_SECTION, HL7_ATTACHMENT_STRUCTURE"
}
]
},
{
"path": "ValueSet.immutable",
"short": "Indicates whether or not any change to the content logical definition may occur",
"definition": "If this is set to 'true', then no new versions of the content logical definition can be created. Note: Other metadata might still change.",
"comments": "Normally immutability is set to 'false', which is the default assumption if it is not populated. Note that the implication is that if this is set to 'true', there may be only one Value Set Version for this Definition. Immutability tends to be set to 'true' in one of two cases: - Where the value set, by the nature of its usage, cannot change. For example \"All specializations of ACT in ActClassCode\" - Where there's no safe way to express the \"Purpose\" such that someone else could safely make changes to the value set definition Source workflow control must guarantee that the same URI always yields the same definition.",
"min": 0,
"max": "1",
"type": [
{
"code": "boolean"
}
],
"isSummary": true
},
{
"path": "ValueSet.requirements",
"short": "Why is this needed?",
"definition": "Explains why this value set is needed and why it's been constrained as it has.",
"comments": "This element does not describe the usage of the value set (that's done in comments), rather it's for traceability of *why* the element is either needed or why the constraints exist as they do. This may be used to point to source materials or specifications that drove the structure of this data element.",
"min": 0,
"max": "1",
"type": [
{
"code": "string"
}
]
},
{
"path": "ValueSet.copyright",
"short": "Use and/or Publishing restrictions",
"definition": "A copyright statement relating to the value set and/or its contents. Copyright statements are generally legal restrictions on the use and publishing of the value set.",
"comments": "Frequently, the copyright differs between the value set, and codes that are included. The copyright statement should clearly differentiate between these when required.",
"alias": [
"License",
"Restrictions"
],
"min": 0,
"max": "1",
"type": [
{
"code": "string"
}
]
},
{
"path": "ValueSet.extensible",
"short": "Whether this is intended to be used with an extensible binding",
"definition": "Whether this is intended to be used with an extensible binding or not.",
"requirements": "It is not required to say whether this intent applies.",
"min": 0,
"max": "1",
"type": [
{
"code": "boolean"
}
],
"isSummary": true
},
{
"path": "ValueSet.codeSystem",
"short": "An inline code system - part of this value set",
"definition": "A definition of an code system, inlined into the value set (as a packaging convenience). Note that the inline code system may be used from other value sets by referring to it's (codeSystem.system) directly.",
"comments": "All code systems defined as part of a FHIR value set have an implicit valueset that includes all the code in the code system - the value set in which they are defined.",
"min": 0,
"max": "1",
"type": [
{
"code": "BackboneElement"
}
],
"condition": [
"vsd-5"
],
"constraint": [
{
"key": "vsd-8",
"severity": "error",
"human": "Codes must be unique",
"xpath": "count(descendant::f:concept)=count(distinct-values(descendant::f:concept/f:code/@value))"
},
{
"key": "vsd-3",
"severity": "error",
"human": "Within a code system definition, all the codes SHALL be unique",
"xpath": "count(distinct-values(descendant::f:concept/f:code/@value))=count(descendant::f:concept)"
}
],
"isSummary": true
},
{
"path": "ValueSet.codeSystem.id",
"representation": [
"xmlAttr"
],
"short": "xml:id (or equivalent in JSON)",
"definition": "unique id for the element within a resource (for internal references).",
"min": 0,
"max": "1",
"type": [
{
"code": "id"
}
],
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"path": "ValueSet.codeSystem.extension",
"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. In order 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 is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
"comments": "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": "*",
"type": [
{
"code": "Extension"
}
],
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"path": "ValueSet.codeSystem.modifierExtension",
"short": "Extensions that cannot be ignored",
"definition": "May be used to represent additional information that is not part of the basic definition of the element, and that modifies the understanding of the element that contains it. Usually modifier elements provide negation or qualification. In order 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 is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.",
"comments": "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",
"modifiers"
],
"min": 0,
"max": "*",
"type": [
{
"code": "Extension"
}
],
"isModifier": true,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "ValueSet.codeSystem.system",
"short": "URI to identify the code system (e.g. in Coding.system)",
"definition": "An absolute URI that is used to reference this code system, including in [Coding]{datatypes.html#Coding}.system.",
"comments": "The reference is not required to point to any specific kind of definition, but the more information that can be provided, the more useful it is for implementers. Best practice is to resolve to a computable definition of the code system (either a value set, or some other format). Terminology Servers MAY validate this reference (e.g. when accepting PUT/POST), and MAY make additional rules about what kind of content it refers to.",
"min": 1,
"max": "1",
"type": [
{
"code": "uri"
}
],
"isSummary": true
},
{
"path": "ValueSet.codeSystem.version",
"short": "Version (for use in Coding.version)",
"definition": "The version of this code system that defines the codes. Note that the version is optional because a well maintained code system does not suffer from versioning, and therefore the version does not need to be maintained. However many code systems are not well maintained, and the version needs to be defined and tracked.",
"min": 0,
"max": "1",
"type": [
{
"code": "string"
}
],
"isSummary": true
},
{
"path": "ValueSet.codeSystem.caseSensitive",
"short": "If code comparison is case sensitive",
"definition": "If code comparison is case sensitive when codes within this system are compared to each other.",
"comments": "If this value is missing, then it is not specified whether a code system is case sensitive or not. When the rule is not known, Postel's law should be followed: produce codes with the correct case, and accept codes in any case. This element is primarily provided to support validation software.",
"min": 0,
"max": "1",
"type": [
{
"code": "boolean"
}
],
"isSummary": true
},
{
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-explicit-type-name",
"valueString": "ConceptDefinition"
}
],
"path": "ValueSet.codeSystem.concept",
"name": "concept",
"short": "Concepts in the code system",
"definition": "Concepts that are in the code system. The concept definitions are inherently heirarchical, but the definitions must be consulted to determine what the meaning of the heirachical relationships are.",
"min": 1,
"max": "*",
"type": [
{
"code": "BackboneElement"
}
]
},
{
"path": "ValueSet.codeSystem.concept.id",
"representation": [
"xmlAttr"
],
"short": "xml:id (or equivalent in JSON)",
"definition": "unique id for the element within a resource (for internal references).",
"min": 0,
"max": "1",
"type": [
{
"code": "id"
}
],
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"path": "ValueSet.codeSystem.concept.extension",
"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. In order 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 is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
"comments": "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": "*",
"type": [
{
"code": "Extension"
}
],
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"path": "ValueSet.codeSystem.concept.modifierExtension",
"short": "Extensions that cannot be ignored",
"definition": "May be used to represent additional information that is not part of the basic definition of the element, and that modifies the understanding of the element that contains it. Usually modifier elements provide negation or qualification. In order 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 is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.",
"comments": "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",
"modifiers"
],
"min": 0,
"max": "*",
"type": [
{
"code": "Extension"
}
],
"isModifier": true,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "ValueSet.codeSystem.concept.code",
"short": "Code that identifies concept",
"definition": "A code - a text symbol - that uniquely identifies the concept within the code system.",
"min": 1,
"max": "1",
"type": [
{
"code": "code"
}
]
},
{
"path": "ValueSet.codeSystem.concept.abstract",
"short": "If this code is not for use as a real concept",
"definition": "If this code is not for use as a real concept.",
"min": 0,
"max": "1",
"type": [
{
"code": "boolean"
}
],
"defaultValueBoolean": false
},
{
"path": "ValueSet.codeSystem.concept.display",
"short": "Text to Display to the user",
"definition": "A human readable string that is the recommended default way to present this concept to a user.",
"min": 0,
"max": "1",
"type": [
{
"code": "string"
}
]
},
{
"path": "ValueSet.codeSystem.concept.definition",
"short": "Formal Definition",
"definition": "The formal definition of the concept. The value set resource does not make formal definitions required, because of the prevalence of legacy systems. However, but they are highly recommended, as without them there is no formal meaning associated with the concept.",
"min": 0,
"max": "1",
"type": [
{
"code": "string"
}
]
},
{
"path": "ValueSet.codeSystem.concept.designation",
"name": "designation",
"short": "Additional representations for the concept",
"definition": "Additional representations for the concept - other languages, aliases, specialized purposes, used for particular purposes, etc.",
"requirements": "many concept definition systems support mltiple representations, in multiple languages, and for mltiple purposes.",
"min": 0,
"max": "*",
"type": [
{
"code": "BackboneElement"
}
]
},
{
"path": "ValueSet.codeSystem.concept.designation.id",
"representation": [
"xmlAttr"
],
"short": "xml:id (or equivalent in JSON)",
"definition": "unique id for the element within a resource (for internal references).",
"min": 0,
"max": "1",
"type": [
{
"code": "id"
}
],
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"path": "ValueSet.codeSystem.concept.designation.extension",
"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. In order 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 is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
"comments": "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": "*",
"type": [
{
"code": "Extension"
}
],
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"path": "ValueSet.codeSystem.concept.designation.modifierExtension",
"short": "Extensions that cannot be ignored",
"definition": "May be used to represent additional information that is not part of the basic definition of the element, and that modifies the understanding of the element that contains it. Usually modifier elements provide negation or qualification. In order 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 is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.",
"comments": "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",
"modifiers"
],
"min": 0,
"max": "*",
"type": [
{
"code": "Extension"
}
],
"isModifier": true,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "ValueSet.codeSystem.concept.designation.language",
"short": "Human language of the designation",
"definition": "The language this designation is defined for.",
"comments": "In the absense of a language, the resource language applies.",
"min": 0,
"max": "1",
"type": [
{
"code": "code"
}
],
"binding": {
"strength": "required",
"description": "A human language",
"valueSetUri": "http://tools.ietf.org/html/bcp47"
}
},
{
"path": "ValueSet.codeSystem.concept.designation.use",
"short": "Details how this designation would be used",
"definition": "A code that details how this designation would be used.",
"comments": "if no use is provided, the designation can be assumed to be suitable for general display to a human user.",
"min": 0,
"max": "1",
"type": [
{
"code": "Coding"
}
],
"binding": {
"strength": "extensible",
"description": "Details of how a designation would be used",
"valueSetReference": {
"reference": "http://hl7.org/fhir/ValueSet/designation-use"
}
}
},
{
"path": "ValueSet.codeSystem.concept.designation.value",
"short": "The text value for this designation",
"definition": "The text value for this designation.",
"min": 1,
"max": "1",
"type": [
{
"code": "string"
}
]
},
{
"path": "ValueSet.codeSystem.concept.concept",
"short": "Child Concepts (is-a / contains / categorises)",
"definition": "Child Concepts - a heirarchy of concepts. The nature of the relationships is variable (is-a / contains / categorises) and can only be determined by examining the definitions of the concepts.",
"min": 0,
"max": "*",
"nameReference": "concept"
},
{
"path": "ValueSet.compose",
"short": "When value set includes codes from elsewhere",
"definition": "A set of criteria that provide the content logical definition of the value set by including or excluding codes from outside this value set.",
"min": 0,
"max": "1",
"type": [
{
"code": "BackboneElement"
}
],
"condition": [
"vsd-5"
],
"constraint": [
{
"key": "vsd-1",
"severity": "error",
"human": "A value set composition SHALL have an include or an import",
"xpath": "exists(f:include) or exists(f:import)"
}
]
},
{
"path": "ValueSet.compose.id",
"representation": [
"xmlAttr"
],
"short": "xml:id (or equivalent in JSON)",
"definition": "unique id for the element within a resource (for internal references).",
"min": 0,
"max": "1",
"type": [
{
"code": "id"
}
],
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"path": "ValueSet.compose.extension",
"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. In order 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 is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
"comments": "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": "*",
"type": [
{
"code": "Extension"
}
],
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"path": "ValueSet.compose.modifierExtension",
"short": "Extensions that cannot be ignored",
"definition": "May be used to represent additional information that is not part of the basic definition of the element, and that modifies the understanding of the element that contains it. Usually modifier elements provide negation or qualification. In order 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 is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.",
"comments": "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",
"modifiers"
],
"min": 0,
"max": "*",
"type": [
{
"code": "Extension"
}
],
"isModifier": true,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "ValueSet.compose.import",
"short": "Import the contents of another value set",
"definition": "Includes the contents of the referenced value set as a part of the contents of this value set. This is an absolute URI that is a reference to ValueSet.uri.",
"comments": "The value set URI is either a logical reference to a defined value set such as a [SNOMED CT reference set]{snomedct.html#implicit}, or a direct reference to a value set definition using ValueSet.url. The reference may also not reference a actual FHIR value set resource; in this case, whatever is referenced is an implicit definition of a value set that needs to be clear about how versions are resolved.",
"min": 0,
"max": "*",
"type": [
{
"code": "uri"
}
],
"condition": [
"vsd-1"
],
"isSummary": true,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-explicit-type-name",
"valueString": "ConceptSet"
}
],
"path": "ValueSet.compose.include",
"name": "include",
"short": "Include one or more codes from a code system",
"definition": "Include one or more codes from a code system.",
"comments": "If there are no codes or filters, the entire code system is included. Note that the set of codes hat are included may contain abstract codes.",
"min": 0,
"max": "*",
"type": [
{
"code": "BackboneElement"
}
],
"condition": [
"vsd-1"
],
"constraint": [
{
"key": "vsd-11",
"severity": "error",
"human": "Cannot have both concept and filter",
"xpath": "not(exists(f:concept)) or not(exists(f:filter))"
}
],
"isSummary": true,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "ValueSet.compose.include.id",
"representation": [
"xmlAttr"
],
"short": "xml:id (or equivalent in JSON)",
"definition": "unique id for the element within a resource (for internal references).",
"min": 0,
"max": "1",
"type": [
{
"code": "id"
}
],
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"path": "ValueSet.compose.include.extension",
"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. In order 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 is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
"comments": "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": "*",
"type": [
{
"code": "Extension"
}
],
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"path": "ValueSet.compose.include.modifierExtension",
"short": "Extensions that cannot be ignored",
"definition": "May be used to represent additional information that is not part of the basic definition of the element, and that modifies the understanding of the element that contains it. Usually modifier elements provide negation or qualification. In order 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 is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.",
"comments": "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",
"modifiers"
],
"min": 0,
"max": "*",
"type": [
{
"code": "Extension"
}
],
"isModifier": true,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "ValueSet.compose.include.system",
"short": "The system the codes come from",
"definition": "An absolute URI which is the code system from which the selected codes come from.",
"comments": "See *Coding.system* for further documentation.",
"min": 1,
"max": "1",
"type": [
{
"code": "uri"
}
],
"isSummary": true,
"mapping": [
{
"identity": "define.xml2.0",
"map": "ODM/Study/MetaDataVersion/CodeList/ExternalCodeList/Href"
},
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "ValueSet.compose.include.version",
"short": "Specific version of the code system referred to",
"definition": "The version of the code system that the codes are selected from.",
"comments": "This is used when selecting the descendents of a concept - they may change between versions. If no version is specified, then the exact contents of the value set may not be known until a context of use binds it to a particular version.",
"min": 0,
"max": "1",
"type": [
{
"code": "string"
}
],
"isSummary": true,
"mapping": [
{
"identity": "define.xml2.0",
"map": "ODM/Study/MetaDataVersion/CodeList/ExternalCodeList/Version"
},
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-explicit-type-name",
"valueString": "ConceptReference"
}
],
"path": "ValueSet.compose.include.concept",
"short": "A concept defined in the system",
"definition": "Specifies a concept to be included or excluded.",
"comments": "The list of concepts is considered ordered, though the order may not have any particular significance. Typically, the order an an expansion follows that defined in the compose.",
"min": 0,
"max": "*",
"type": [
{
"code": "BackboneElement"
}
],
"condition": [
"vsd-11"
],
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "ValueSet.compose.include.concept.id",
"representation": [
"xmlAttr"
],
"short": "xml:id (or equivalent in JSON)",
"definition": "unique id for the element within a resource (for internal references).",
"min": 0,
"max": "1",
"type": [
{
"code": "id"
}
],
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"path": "ValueSet.compose.include.concept.extension",
"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. In order 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 is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
"comments": "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": "*",
"type": [
{
"code": "Extension"
}
],
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"path": "ValueSet.compose.include.concept.modifierExtension",
"short": "Extensions that cannot be ignored",
"definition": "May be used to represent additional information that is not part of the basic definition of the element, and that modifies the understanding of the element that contains it. Usually modifier elements provide negation or qualification. In order 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 is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.",
"comments": "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",
"modifiers"
],
"min": 0,
"max": "*",
"type": [
{
"code": "Extension"
}
],
"isModifier": true,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "ValueSet.compose.include.concept.code",
"short": "Code or expression from system",
"definition": "Specifies a code for the concept to be included or excluded.",
"comments": "Expressions are allowed if defined by the underlying code system.",
"min": 1,
"max": "1",
"type": [
{
"code": "code"
}
],
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "ValueSet.compose.include.concept.display",
"short": "Test to display for this code for this value set",
"definition": "The text to display to the user for this concept in the context of this valueset. If no display is provided, then applications using the value set use the display specified for the code by the system.",
"comments": "The value set resource allows for an alternative display to be specified for when this concept is used in this particular value set. See notes in the value set narrative about the correct use of this element.",
"min": 0,
"max": "1",
"type": [
{
"code": "string"
}
],
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "ValueSet.compose.include.concept.designation",
"short": "Additional representations for this valueset",
"definition": "Additional representations for this concept when used in this value set - other languages, aliases, specialized purposes, used for particular purposes, etc.",
"min": 0,
"max": "*",
"nameReference": "designation"
},
{
"path": "ValueSet.compose.include.filter",
"short": "Select codes/concepts by their properties (including relationships)",
"definition": "Select concepts by specify a matching criteria based on the properties (including relationships) defined by the system. If multiple filters are specified, they SHALL all be true.",
"comments": "Selecting codes by specifying filters based on properties is only possible where the underlying code system defines appropriate properties. Note that in some cases, the underlying code system defines the logical concepts but not the literal codes for the concepts. In such cases, the literal definitions may be provided by a third party.",
"min": 0,
"max": "*",
"type": [
{
"code": "BackboneElement"
}
],
"condition": [
"vsd-11"
],
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "ValueSet.compose.include.filter.id",
"representation": [
"xmlAttr"
],
"short": "xml:id (or equivalent in JSON)",
"definition": "unique id for the element within a resource (for internal references).",
"min": 0,
"max": "1",
"type": [
{
"code": "id"
}
],
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"path": "ValueSet.compose.include.filter.extension",
"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. In order 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 is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
"comments": "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": "*",
"type": [
{
"code": "Extension"
}
],
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"path": "ValueSet.compose.include.filter.modifierExtension",
"short": "Extensions that cannot be ignored",
"definition": "May be used to represent additional information that is not part of the basic definition of the element, and that modifies the understanding of the element that contains it. Usually modifier elements provide negation or qualification. In order 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 is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.",
"comments": "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",
"modifiers"
],
"min": 0,
"max": "*",
"type": [
{
"code": "Extension"
}
],
"isModifier": true,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "ValueSet.compose.include.filter.property",
"short": "A property defined by the code system",
"definition": "A code that identifies a property defined in the code system.",
"min": 1,
"max": "1",
"type": [
{
"code": "code"
}
],
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "ValueSet.compose.include.filter.op",
"short": "= | is-a | is-not-a | regex | in | not-in",
"definition": "The kind of operation to perform as a part of the filter criteria.",
"min": 1,
"max": "1",
"type": [
{
"code": "code"
}
],
"binding": {
"strength": "required",
"description": "The kind of operation to perform as a part of a property based filter",
"valueSetReference": {
"reference": "http://hl7.org/fhir/ValueSet/filter-operator"
}
},
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "ValueSet.compose.include.filter.value",
"short": "Code from the system, or regex criteria",
"definition": "The match value may be either a code defined by the system, or a string value which is used a regex match on the literal string of the property value.",
"comments": "Use regex matching with care - full regex matching on every SNOMED CT term is prohibitive, for example.",
"min": 1,
"max": "1",
"type": [
{
"code": "code"
}
],
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "ValueSet.compose.exclude",
"short": "Explicitly exclude codes",
"definition": "Exclude one or more codes from the value set.",
"comments": "Usually this is used to selectively exclude codes that were included by subsumption in the inclusions. Any display names specified for the codes are ignored.",
"min": 0,
"max": "*",
"nameReference": "include",
"condition": [
"vsd-2"
],
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "ValueSet.expansion",
"short": "Used when the value set is \"expanded\"",
"definition": "A value set can also be \"expanded\", where the value set is turned into a simple collection of enumerated codes. This element holds the expansion, if it has been performed.",
"comments": "Expansion is performed to produce a collection of codes that are ready to use for data entry or validation.",
"min": 0,
"max": "1",
"type": [
{
"code": "BackboneElement"
}
],
"condition": [
"vsd-5"
]
},
{
"path": "ValueSet.expansion.id",
"representation": [
"xmlAttr"
],
"short": "xml:id (or equivalent in JSON)",
"definition": "unique id for the element within a resource (for internal references).",
"min": 0,
"max": "1",
"type": [
{
"code": "id"
}
],
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"path": "ValueSet.expansion.extension",
"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. In order 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 is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
"comments": "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": "*",
"type": [
{
"code": "Extension"
}
],
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"path": "ValueSet.expansion.modifierExtension",
"short": "Extensions that cannot be ignored",
"definition": "May be used to represent additional information that is not part of the basic definition of the element, and that modifies the understanding of the element that contains it. Usually modifier elements provide negation or qualification. In order 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 is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.",
"comments": "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",
"modifiers"
],
"min": 0,
"max": "*",
"type": [
{
"code": "Extension"
}
],
"isModifier": true,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "ValueSet.expansion.identifier",
"short": "Uniquely identifies this expansion",
"definition": "An identifier that uniquely identifies this expansion of the valueset. Systems may re-use the same identifier as long as the expansion and the definition remain the same, but are not required to do so.",
"comments": "Typically, this uri is a UUID (e.g. urn:uuid:8230ff20-c97a-4167-a59d-dc2cb9df16dd).",
"min": 1,
"max": "1",
"type": [
{
"code": "uri"
}
]
},
{
"path": "ValueSet.expansion.timestamp",
"short": "Time valueset expansion happened",
"definition": "The time at which the expansion was produced by the expanding system.",
"comments": "This SHOULD have be a fully populated instant, but in some circumstances, value sets are expanded by hand, of the expansion is published without that precision.",
"min": 1,
"max": "1",
"type": [
{
"code": "dateTime"
}
]
},
{
"path": "ValueSet.expansion.total",
"short": "Total number of codes in the expansion",
"definition": "The total nober of concepts in the expansion. If the number of concept nodes in this resource is less than the stated number, then the server can return more using the offset parameter.",
"comments": "Paging only applies to flat expansions.",
"min": 0,
"max": "1",
"type": [
{
"code": "integer"
}
]
},
{
"path": "ValueSet.expansion.offset",
"short": "Offset at which this resource starts",
"definition": "If paging is being used, the offset at which this resource starts - e.g. this resource is a partial view into the expansion. If paging is not being used, this element SHALL not be present.",
"comments": "Paging only applies to flat expansions. If a filter is applied, the count is the number of concepts that matched the filter, not the number of concepts in an unfiltered view of the expansion.",
"min": 0,
"max": "1",
"type": [
{
"code": "integer"
}
],
"meaningWhenMissing": "Paging is not being used"
},
{
"path": "ValueSet.expansion.parameter",
"short": "Parameter that controlled the expansion process",
"definition": "A Parameter that controlled the expansion process. These parameters may be used by users of expanded value sets to check whether the expansion is suitable for a particular purpose, or to pick the correct expansion.",
"comments": "The server decides which parameters to include here, but as a minimum, the list SHOULD include the date, filter, and profile parameters passed to the $expand operation (if any).",
"min": 0,
"max": "*",
"type": [
{
"code": "BackboneElement"
}
]
},
{
"path": "ValueSet.expansion.parameter.id",
"representation": [
"xmlAttr"
],
"short": "xml:id (or equivalent in JSON)",
"definition": "unique id for the element within a resource (for internal references).",
"min": 0,
"max": "1",
"type": [
{
"code": "id"
}
],
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"path": "ValueSet.expansion.parameter.extension",
"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. In order 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 is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
"comments": "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": "*",
"type": [
{
"code": "Extension"
}
],
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"path": "ValueSet.expansion.parameter.modifierExtension",
"short": "Extensions that cannot be ignored",
"definition": "May be used to represent additional information that is not part of the basic definition of the element, and that modifies the understanding of the element that contains it. Usually modifier elements provide negation or qualification. In order 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 is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.",
"comments": "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",
"modifiers"
],
"min": 0,
"max": "*",
"type": [
{
"code": "Extension"
}
],
"isModifier": true,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "ValueSet.expansion.parameter.name",
"short": "Name as assigned by server",
"definition": "The name of the parameter.",
"comments": "The names are assigned at the discretion of the server.",
"min": 1,
"max": "1",
"type": [
{
"code": "string"
}
]
},
{
"path": "ValueSet.expansion.parameter.value[x]",
"short": "Value of the named parameter",
"definition": "The value of the parameter.",
"min": 0,
"max": "1",
"type": [
{
"code": "string"
},
{
"code": "boolean"
},
{
"code": "integer"
},
{
"code": "decimal"
},
{
"code": "uri"
},
{
"code": "code"
}
]
},
{
"path": "ValueSet.expansion.contains",
"name": "contains",
"short": "Codes in the value set",
"definition": "The codes that are contained in the value set expansion.",
"min": 0,
"max": "*",
"type": [
{
"code": "BackboneElement"
}
],
"constraint": [
{
"key": "vsd-9",
"severity": "error",
"human": "Must have a code if not abstract",
"xpath": "exists(f:code) or (f:abstract/@value = 'true')"
},
{
"key": "vsd-6",
"severity": "error",
"human": "SHALL have a code or a display",
"xpath": "exists(f:code) or exists(f:display)"
},
{
"key": "vsd-10",
"severity": "error",
"human": "Must have a system if a code is present",
"xpath": "exists(f:system) or not(exists(f:code))"
}
]
},
{
"path": "ValueSet.expansion.contains.id",
"representation": [
"xmlAttr"
],
"short": "xml:id (or equivalent in JSON)",
"definition": "unique id for the element within a resource (for internal references).",
"min": 0,
"max": "1",
"type": [
{
"code": "id"
}
],
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"path": "ValueSet.expansion.contains.extension",
"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. In order 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 is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
"comments": "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": "*",
"type": [
{
"code": "Extension"
}
],
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"path": "ValueSet.expansion.contains.modifierExtension",
"short": "Extensions that cannot be ignored",
"definition": "May be used to represent additional information that is not part of the basic definition of the element, and that modifies the understanding of the element that contains it. Usually modifier elements provide negation or qualification. In order 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 is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.",
"comments": "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",
"modifiers"
],
"min": 0,
"max": "*",
"type": [
{
"code": "Extension"
}
],
"isModifier": true,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "ValueSet.expansion.contains.system",
"short": "System value for the code",
"definition": "An absolute URI which is the code system in which the code for this item in the expansion is defined.",
"min": 0,
"max": "1",
"type": [
{
"code": "uri"
}
]
},
{
"path": "ValueSet.expansion.contains.abstract",
"short": "If user cannot select this entry",
"definition": "If true, this entry is included in the expansion for navigational purposes, and the user cannot select the code directly as a proper value.",
"comments": "This shouldn't be understood to exclude its use for searchig (e..g by subsumption testing). The client should know whether it is appropriate for the user to select an abstract code or not.",
"min": 0,
"max": "1",
"type": [
{
"code": "boolean"
}
]
},
{
"path": "ValueSet.expansion.contains.version",
"short": "Version in which this code / display is defined",
"definition": "The version of this code system that defined this code and/or display. This should only be used with code systems that do not enforce concept permanence.",
"comments": "The exact value of the version string is specified by the system from which the code is derived.",
"min": 0,
"max": "1",
"type": [
{
"code": "string"
}
]
},
{
"path": "ValueSet.expansion.contains.code",
"short": "Code - if blank, this is not a choosable code",
"definition": "The code for this item in the expansion heirarchy. If this code is missing the entry in the heirarchy is a place holder (abstract) and doesn't represent a valid code in the value set.",
"min": 0,
"max": "1",
"type": [
{
"code": "code"
}
],
"condition": [
"vsd-6"
]
},
{
"path": "ValueSet.expansion.contains.display",
"short": "User display for the concept",
"definition": "The recommended display for this item in the expansion.",
"min": 0,
"max": "1",
"type": [
{
"code": "string"
}
],
"condition": [
"vsd-6"
]
},
{
"path": "ValueSet.expansion.contains.contains",
"short": "Codes contained under this entry",
"definition": "Other codes and entries contained under this entry in the heirarchy.",
"comments": "If the expansion uses this element, there is no implication about the logical relationship between them, and the structure cannot be used for logical inferencing. The structure exists to provide navigational assistance for helping human users to locate codes in the expansion.",
"min": 0,
"max": "*",
"nameReference": "contains"
}
]
},
"differential": {
"element": [
{
"path": "ValueSet",
"short": "A set of codes drawn from one or more code systems",
"definition": "A value set specifies a set of codes drawn from one or more code systems.",
"min": 0,
"max": "*",
"type": [
{
"code": "DomainResource"
}
],
"constraint": [
{
"key": "vsd-7",
"severity": "error",
"human": "A defined code system (if present) SHALL have a different identifier to the value set itself",
"xpath": "not(f:codeSystem/f:system/@value = f:identifier/@value)"
},
{
"key": "vsd-5",
"severity": "error",
"human": "Value set SHALL contain at least one of a codeSystem, a compose, or an expansion element",
"xpath": "exists(f:codeSystem) or exists(f:compose) or exists(f:expansion)"
},
{
"key": "vsd-2",
"severity": "error",
"human": "A value set with only one import SHALL also have an include and/or an exclude unless the value set includes and inline code system",
"xpath": "not(exists(f:compose)) or (count(f:compose/f:import)!=1 or exists(f:compose/f:include) or exists(f:compose/f:exclude) or exists(f:codeSystem))"
}
],
"mapping": [
{
"identity": "rim",
"map": "N/A"
},
{
"identity": "w5",
"map": "conformance.terminology"
}
]
},
{
"path": "ValueSet.url",
"short": "Globally unique logical id for value set",
"definition": "An absolute URL that is used to identify this value set when it is referenced in a specification, model, design or an instance. This SHALL be a URL, SHOULD be globally unique, and SHOULD be an address at which this value set is (or will be) published.",
"min": 0,
"max": "1",
"type": [
{
"code": "uri"
}
],
"isSummary": true,
"mapping": [
{
"identity": "rim",
"map": "N/A"
},
{
"identity": "w5",
"map": "id"
}
]
},
{
"path": "ValueSet.identifier",
"short": "Additional identifier for the value set (v2 / CDA)",
"definition": "Formal identifier that is used to identify this value set when it is represented in other formats, or referenced in a specification, model, design or an instance.",
"comments": "Typically, this is used for values that can go in a v3 II data type.",
"min": 0,
"max": "1",
"type": [
{
"code": "Identifier"
}
],
"isSummary": true,
"mapping": [
{
"identity": "define.xml2.0",
"map": "Identifier part"
},
{
"identity": "w5",
"map": "id"
}
]
},
{
"path": "ValueSet.version",
"short": "Logical id for this version of the value set",
"definition": "Used to identify this version of the value set when it is referenced in a specification, model, design or instance. This is an arbitrary value managed by the profile author manually and the value should be a timestamp.",
"comments": "There may be multiple resource versions of the value set that have the same identifier.",
"min": 0,
"max": "1",
"type": [
{
"code": "string"
}
],
"isSummary": true,
"mapping": [
{
"identity": "rim",
"map": "N/A"
},
{
"identity": "w5",
"map": "id.version"
}
]
},
{
"path": "ValueSet.name",
"short": "Informal name for this value set",
"definition": "A free text natural language name describing the value set.",
"comments": "The name is not expected to be unique. A name should be provided unless the value set is a contained resource (e.g. an anonymous value set in a profile). Most registries will require a name.",
"requirements": "Support human navigation.",
"min": 0,
"max": "1",
"type": [
{
"code": "string"
}
],
"isSummary": true,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "ValueSet.status",
"short": "draft | active | retired",
"definition": "The status of the value set.",
"comments": "Allows filtering of value sets that are appropriate for use vs. not.",
"requirements": "Identify when/if the value set should be used.",
"min": 1,
"max": "1",
"type": [
{
"code": "code"
}
],
"isModifier": true,
"isSummary": true,
"binding": {
"strength": "required",
"description": "The lifecycle status of a Value Set or Concept Map",
"valueSetReference": {
"reference": "http://hl7.org/fhir/ValueSet/conformance-resource-status"
}
},
"mapping": [
{
"identity": "rim",
"map": "N/A"
},
{
"identity": "w5",
"map": "status"
}
]
},
{
"path": "ValueSet.experimental",
"short": "If for testing purposes, not real usage",
"definition": "This valueset was authored for testing purposes (or education/evaluation/marketing), and is not intended to be used for genuine usage.",
"comments": "Allows filtering of value sets that are appropriate for use vs. not.",
"min": 0,
"max": "1",
"type": [
{
"code": "boolean"
}
],
"isSummary": true,
"mapping": [
{
"identity": "w5",
"map": "class"
}
]
},
{
"path": "ValueSet.publisher",
"short": "Name of the publisher (Organization or individual)",
"definition": "The name of the individual or organization that published the value set.",
"comments": "Usually an organization, but may be an individual. This item SHOULD be populated unless the information is available from context.",
"requirements": "Helps establish the \"authority/credibility\" of the value set. May also allow for contact.",
"min": 0,
"max": "1",
"type": [
{
"code": "string"
}
],
"isSummary": true,
"mapping": [
{
"identity": "w5",
"map": "who.witness"
}
]
},
{
"path": "ValueSet.contact",
"short": "Contact details of the publisher",
"definition": "Contacts to assist a user in finding and communicating with the publisher.",
"comments": "May be a web site, an email address, a telephone number (tel:), etc.",
"min": 0,
"max": "*",
"isSummary": true
},
{
"path": "ValueSet.contact.name",
"short": "Name of a individual to contact",
"definition": "The name of an individual to contact regarding the value set.",
"comments": "If there is no named individual, the telecom is for the organization as a whole.",
"min": 0,
"max": "1",
"type": [
{
"code": "string"
}
],
"isSummary": true
},
{
"path": "ValueSet.contact.telecom",
"short": "Contact details for individual or publisher",
"definition": "Contact details for individual (if a name was provided) or the publisher.",
"min": 0,
"max": "*",
"type": [
{
"code": "ContactPoint"
}
],
"isSummary": true
},
{
"path": "ValueSet.date",
"short": "Date for given status",
"definition": "The date that the value set status was last changed. The date must change when the business version changes, if it does, and it must change if the status code changes. in addition, it should change when the substantiative content of the implementation guide changes (e.g. the 'content logical definition').",
"comments": "Note that this is not the same as the resource last-modified-date, since the resource may be a secondary representation of the value set. Additional specific dates may be added as extensions.",
"requirements": "Need to know when a value set was first legal for use or became withdrawn or replaced.",
"min": 0,
"max": "1",
"type": [
{
"code": "dateTime"
}
],
"isSummary": true,
"mapping": [
{
"identity": "rim",
"map": "N/A"
},
{
"identity": "w5",
"map": "when.recorded"
}
]
},
{
"path": "ValueSet.lockedDate",
"short": "Fixed date for all referenced code systems and value sets",
"definition": "If a Locked Date is defined, then the Content Logical Definition must be evaluated using the current version of all referenced code system(s) and value sets as of the Locked Date.",
"comments": "With a defined Locked Date the value set is considered \"Locked\". Otherwise, the value set may have different expansions as underlying code systems and/or value sets evolve. The interpretation of lockedDate is often dependent on the context - e.g. a SNOMED CT derived value set with a lockedDate will have a different expansion in USA than in UK. If a value set specifies a version for include and exclude statements, and also specifies a locked date, the specified versions need to be available that date, or the value set will not be usable.",
"min": 0,
"max": "1",
"type": [
{
"code": "date"
}
],
"isSummary": true,
"mapping": [
{
"identity": "w5",
"map": "when.init"
}
]
},
{
"path": "ValueSet.description",
"short": "Human language description of the value set",
"definition": "A free text natural language description of the use of the value set - reason for definition, \"the semantic space\" to be included in the value set, conditions of use, etc. The description may include a list of expected usages for the value set and can also describe the approach taken to build the value set.",
"comments": "The description is not intended to describe the semantics of the Value Set - there are no intrinsic semantics separate from the codes contained in its expansion. The description should capture its intended use, which is needed for ensuring integrity for its use in models across future changes. . A description should be provided unless the value set is a contained resource (e.g. an anonymous value set in a profile). Most registries will require a description.",
"requirements": "Human understandability.",
"alias": [
"Scope",
"Purpose"
],
"min": 0,
"max": "1",
"type": [
{
"code": "string"
}
],
"isSummary": true,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "ValueSet.useContext",
"short": "Content intends to support these contexts",
"definition": "The content was developed with a focus and intent of supporting the contexts that are listed. These terms may be used to assist with indexing and searching of value set definitions.",
"requirements": "Assist in searching for appropriate content.",
"min": 0,
"max": "*",
"type": [
{
"code": "CodeableConcept"
}
],
"isSummary": true,
"binding": {
"strength": "extensible",
"description": "Indicates the countries, regions, disciplines and other aspects of use this artifact is targeted for use within",
"valueSetReference": {
"reference": "http://hl7.org/fhir/ValueSet/use-context"
}
},
"mapping": [
{
"identity": "define.xml2.0",
"map": "COMPONENT, PROPERTY, TIME_ASPCT, SYSTEM, SCALE_TYP, METHOD_TYP, CLASS, CLASSTYPE, ORDER_OBS, DOCUMENT_SECTION, HL7_ATTACHMENT_STRUCTURE"
}
]
},
{
"path": "ValueSet.immutable",
"short": "Indicates whether or not any change to the content logical definition may occur",
"definition": "If this is set to 'true', then no new versions of the content logical definition can be created. Note: Other metadata might still change.",
"comments": "Normally immutability is set to 'false', which is the default assumption if it is not populated. Note that the implication is that if this is set to 'true', there may be only one Value Set Version for this Definition. Immutability tends to be set to 'true' in one of two cases: - Where the value set, by the nature of its usage, cannot change. For example \"All specializations of ACT in ActClassCode\" - Where there's no safe way to express the \"Purpose\" such that someone else could safely make changes to the value set definition Source workflow control must guarantee that the same URI always yields the same definition.",
"min": 0,
"max": "1",
"type": [
{
"code": "boolean"
}
],
"isSummary": true
},
{
"path": "ValueSet.requirements",
"short": "Why is this needed?",
"definition": "Explains why this value set is needed and why it's been constrained as it has.",
"comments": "This element does not describe the usage of the value set (that's done in comments), rather it's for traceability of *why* the element is either needed or why the constraints exist as they do. This may be used to point to source materials or specifications that drove the structure of this data element.",
"min": 0,
"max": "1",
"type": [
{
"code": "string"
}
]
},
{
"path": "ValueSet.copyright",
"short": "Use and/or Publishing restrictions",
"definition": "A copyright statement relating to the value set and/or its contents. Copyright statements are generally legal restrictions on the use and publishing of the value set.",
"comments": "Frequently, the copyright differs between the value set, and codes that are included. The copyright statement should clearly differentiate between these when required.",
"alias": [
"License",
"Restrictions"
],
"min": 0,
"max": "1",
"type": [
{
"code": "string"
}
]
},
{
"path": "ValueSet.extensible",
"short": "Whether this is intended to be used with an extensible binding",
"definition": "Whether this is intended to be used with an extensible binding or not.",
"requirements": "It is not required to say whether this intent applies.",
"min": 0,
"max": "1",
"type": [
{
"code": "boolean"
}
],
"isSummary": true
},
{
"path": "ValueSet.codeSystem",
"short": "An inline code system - part of this value set",
"definition": "A definition of an code system, inlined into the value set (as a packaging convenience). Note that the inline code system may be used from other value sets by referring to it's (codeSystem.system) directly.",
"comments": "All code systems defined as part of a FHIR value set have an implicit valueset that includes all the code in the code system - the value set in which they are defined.",
"min": 0,
"max": "1",
"condition": [
"vsd-5"
],
"constraint": [
{
"key": "vsd-8",
"severity": "error",
"human": "Codes must be unique",
"xpath": "count(descendant::f:concept)=count(distinct-values(descendant::f:concept/f:code/@value))"
},
{
"key": "vsd-3",
"severity": "error",
"human": "Within a code system definition, all the codes SHALL be unique",
"xpath": "count(distinct-values(descendant::f:concept/f:code/@value))=count(descendant::f:concept)"
}
],
"isSummary": true
},
{
"path": "ValueSet.codeSystem.system",
"short": "URI to identify the code system (e.g. in Coding.system)",
"definition": "An absolute URI that is used to reference this code system, including in [Coding]{datatypes.html#Coding}.system.",
"comments": "The reference is not required to point to any specific kind of definition, but the more information that can be provided, the more useful it is for implementers. Best practice is to resolve to a computable definition of the code system (either a value set, or some other format). Terminology Servers MAY validate this reference (e.g. when accepting PUT/POST), and MAY make additional rules about what kind of content it refers to.",
"min": 1,
"max": "1",
"type": [
{
"code": "uri"
}
],
"isSummary": true
},
{
"path": "ValueSet.codeSystem.version",
"short": "Version (for use in Coding.version)",
"definition": "The version of this code system that defines the codes. Note that the version is optional because a well maintained code system does not suffer from versioning, and therefore the version does not need to be maintained. However many code systems are not well maintained, and the version needs to be defined and tracked.",
"min": 0,
"max": "1",
"type": [
{
"code": "string"
}
],
"isSummary": true
},
{
"path": "ValueSet.codeSystem.caseSensitive",
"short": "If code comparison is case sensitive",
"definition": "If code comparison is case sensitive when codes within this system are compared to each other.",
"comments": "If this value is missing, then it is not specified whether a code system is case sensitive or not. When the rule is not known, Postel's law should be followed: produce codes with the correct case, and accept codes in any case. This element is primarily provided to support validation software.",
"min": 0,
"max": "1",
"type": [
{
"code": "boolean"
}
],
"isSummary": true
},
{
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-explicit-type-name",
"valueString": "ConceptDefinition"
}
],
"path": "ValueSet.codeSystem.concept",
"name": "concept",
"short": "Concepts in the code system",
"definition": "Concepts that are in the code system. The concept definitions are inherently heirarchical, but the definitions must be consulted to determine what the meaning of the heirachical relationships are.",
"min": 1,
"max": "*"
},
{
"path": "ValueSet.codeSystem.concept.code",
"short": "Code that identifies concept",
"definition": "A code - a text symbol - that uniquely identifies the concept within the code system.",
"min": 1,
"max": "1",
"type": [
{
"code": "code"
}
]
},
{
"path": "ValueSet.codeSystem.concept.abstract",
"short": "If this code is not for use as a real concept",
"definition": "If this code is not for use as a real concept.",
"min": 0,
"max": "1",
"type": [
{
"code": "boolean"
}
],
"defaultValueBoolean": false
},
{
"path": "ValueSet.codeSystem.concept.display",
"short": "Text to Display to the user",
"definition": "A human readable string that is the recommended default way to present this concept to a user.",
"min": 0,
"max": "1",
"type": [
{
"code": "string"
}
]
},
{
"path": "ValueSet.codeSystem.concept.definition",
"short": "Formal Definition",
"definition": "The formal definition of the concept. The value set resource does not make formal definitions required, because of the prevalence of legacy systems. However, but they are highly recommended, as without them there is no formal meaning associated with the concept.",
"min": 0,
"max": "1",
"type": [
{
"code": "string"
}
]
},
{
"path": "ValueSet.codeSystem.concept.designation",
"name": "designation",
"short": "Additional representations for the concept",
"definition": "Additional representations for the concept - other languages, aliases, specialized purposes, used for particular purposes, etc.",
"requirements": "many concept definition systems support mltiple representations, in multiple languages, and for mltiple purposes.",
"min": 0,
"max": "*"
},
{
"path": "ValueSet.codeSystem.concept.designation.language",
"short": "Human language of the designation",
"definition": "The language this designation is defined for.",
"comments": "In the absense of a language, the resource language applies.",
"min": 0,
"max": "1",
"type": [
{
"code": "code"
}
],
"binding": {
"strength": "required",
"description": "A human language",
"valueSetUri": "http://tools.ietf.org/html/bcp47"
}
},
{
"path": "ValueSet.codeSystem.concept.designation.use",
"short": "Details how this designation would be used",
"definition": "A code that details how this designation would be used.",
"comments": "if no use is provided, the designation can be assumed to be suitable for general display to a human user.",
"min": 0,
"max": "1",
"type": [
{
"code": "Coding"
}
],
"binding": {
"strength": "extensible",
"description": "Details of how a designation would be used",
"valueSetReference": {
"reference": "http://hl7.org/fhir/ValueSet/designation-use"
}
}
},
{
"path": "ValueSet.codeSystem.concept.designation.value",
"short": "The text value for this designation",
"definition": "The text value for this designation.",
"min": 1,
"max": "1",
"type": [
{
"code": "string"
}
]
},
{
"path": "ValueSet.codeSystem.concept.concept",
"short": "Child Concepts (is-a / contains / categorises)",
"definition": "Child Concepts - a heirarchy of concepts. The nature of the relationships is variable (is-a / contains / categorises) and can only be determined by examining the definitions of the concepts.",
"min": 0,
"max": "*",
"nameReference": "concept"
},
{
"path": "ValueSet.compose",
"short": "When value set includes codes from elsewhere",
"definition": "A set of criteria that provide the content logical definition of the value set by including or excluding codes from outside this value set.",
"min": 0,
"max": "1",
"condition": [
"vsd-5"
],
"constraint": [
{
"key": "vsd-1",
"severity": "error",
"human": "A value set composition SHALL have an include or an import",
"xpath": "exists(f:include) or exists(f:import)"
}
]
},
{
"path": "ValueSet.compose.import",
"short": "Import the contents of another value set",
"definition": "Includes the contents of the referenced value set as a part of the contents of this value set. This is an absolute URI that is a reference to ValueSet.uri.",
"comments": "The value set URI is either a logical reference to a defined value set such as a [SNOMED CT reference set]{snomedct.html#implicit}, or a direct reference to a value set definition using ValueSet.url. The reference may also not reference a actual FHIR value set resource; in this case, whatever is referenced is an implicit definition of a value set that needs to be clear about how versions are resolved.",
"min": 0,
"max": "*",
"type": [
{
"code": "uri"
}
],
"condition": [
"vsd-1"
],
"isSummary": true,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-explicit-type-name",
"valueString": "ConceptSet"
}
],
"path": "ValueSet.compose.include",
"name": "include",
"short": "Include one or more codes from a code system",
"definition": "Include one or more codes from a code system.",
"comments": "If there are no codes or filters, the entire code system is included. Note that the set of codes hat are included may contain abstract codes.",
"min": 0,
"max": "*",
"condition": [
"vsd-1"
],
"constraint": [
{
"key": "vsd-11",
"severity": "error",
"human": "Cannot have both concept and filter",
"xpath": "not(exists(f:concept)) or not(exists(f:filter))"
}
],
"isSummary": true,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "ValueSet.compose.include.system",
"short": "The system the codes come from",
"definition": "An absolute URI which is the code system from which the selected codes come from.",
"comments": "See *Coding.system* for further documentation.",
"min": 1,
"max": "1",
"type": [
{
"code": "uri"
}
],
"isSummary": true,
"mapping": [
{
"identity": "define.xml2.0",
"map": "ODM/Study/MetaDataVersion/CodeList/ExternalCodeList/Href"
},
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "ValueSet.compose.include.version",
"short": "Specific version of the code system referred to",
"definition": "The version of the code system that the codes are selected from.",
"comments": "This is used when selecting the descendents of a concept - they may change between versions. If no version is specified, then the exact contents of the value set may not be known until a context of use binds it to a particular version.",
"min": 0,
"max": "1",
"type": [
{
"code": "string"
}
],
"isSummary": true,
"mapping": [
{
"identity": "define.xml2.0",
"map": "ODM/Study/MetaDataVersion/CodeList/ExternalCodeList/Version"
},
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-explicit-type-name",
"valueString": "ConceptReference"
}
],
"path": "ValueSet.compose.include.concept",
"short": "A concept defined in the system",
"definition": "Specifies a concept to be included or excluded.",
"comments": "The list of concepts is considered ordered, though the order may not have any particular significance. Typically, the order an an expansion follows that defined in the compose.",
"min": 0,
"max": "*",
"condition": [
"vsd-11"
],
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "ValueSet.compose.include.concept.code",
"short": "Code or expression from system",
"definition": "Specifies a code for the concept to be included or excluded.",
"comments": "Expressions are allowed if defined by the underlying code system.",
"min": 1,
"max": "1",
"type": [
{
"code": "code"
}
],
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "ValueSet.compose.include.concept.display",
"short": "Test to display for this code for this value set",
"definition": "The text to display to the user for this concept in the context of this valueset. If no display is provided, then applications using the value set use the display specified for the code by the system.",
"comments": "The value set resource allows for an alternative display to be specified for when this concept is used in this particular value set. See notes in the value set narrative about the correct use of this element.",
"min": 0,
"max": "1",
"type": [
{
"code": "string"
}
],
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "ValueSet.compose.include.concept.designation",
"short": "Additional representations for this valueset",
"definition": "Additional representations for this concept when used in this value set - other languages, aliases, specialized purposes, used for particular purposes, etc.",
"min": 0,
"max": "*",
"nameReference": "designation"
},
{
"path": "ValueSet.compose.include.filter",
"short": "Select codes/concepts by their properties (including relationships)",
"definition": "Select concepts by specify a matching criteria based on the properties (including relationships) defined by the system. If multiple filters are specified, they SHALL all be true.",
"comments": "Selecting codes by specifying filters based on properties is only possible where the underlying code system defines appropriate properties. Note that in some cases, the underlying code system defines the logical concepts but not the literal codes for the concepts. In such cases, the literal definitions may be provided by a third party.",
"min": 0,
"max": "*",
"condition": [
"vsd-11"
],
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "ValueSet.compose.include.filter.property",
"short": "A property defined by the code system",
"definition": "A code that identifies a property defined in the code system.",
"min": 1,
"max": "1",
"type": [
{
"code": "code"
}
],
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "ValueSet.compose.include.filter.op",
"short": "= | is-a | is-not-a | regex | in | not-in",
"definition": "The kind of operation to perform as a part of the filter criteria.",
"min": 1,
"max": "1",
"type": [
{
"code": "code"
}
],
"binding": {
"strength": "required",
"description": "The kind of operation to perform as a part of a property based filter",
"valueSetReference": {
"reference": "http://hl7.org/fhir/ValueSet/filter-operator"
}
},
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "ValueSet.compose.include.filter.value",
"short": "Code from the system, or regex criteria",
"definition": "The match value may be either a code defined by the system, or a string value which is used a regex match on the literal string of the property value.",
"comments": "Use regex matching with care - full regex matching on every SNOMED CT term is prohibitive, for example.",
"min": 1,
"max": "1",
"type": [
{
"code": "code"
}
],
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "ValueSet.compose.exclude",
"short": "Explicitly exclude codes",
"definition": "Exclude one or more codes from the value set.",
"comments": "Usually this is used to selectively exclude codes that were included by subsumption in the inclusions. Any display names specified for the codes are ignored.",
"min": 0,
"max": "*",
"nameReference": "include",
"condition": [
"vsd-2"
],
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "ValueSet.expansion",
"short": "Used when the value set is \"expanded\"",
"definition": "A value set can also be \"expanded\", where the value set is turned into a simple collection of enumerated codes. This element holds the expansion, if it has been performed.",
"comments": "Expansion is performed to produce a collection of codes that are ready to use for data entry or validation.",
"min": 0,
"max": "1",
"condition": [
"vsd-5"
]
},
{
"path": "ValueSet.expansion.identifier",
"short": "Uniquely identifies this expansion",
"definition": "An identifier that uniquely identifies this expansion of the valueset. Systems may re-use the same identifier as long as the expansion and the definition remain the same, but are not required to do so.",
"comments": "Typically, this uri is a UUID (e.g. urn:uuid:8230ff20-c97a-4167-a59d-dc2cb9df16dd).",
"min": 1,
"max": "1",
"type": [
{
"code": "uri"
}
]
},
{
"path": "ValueSet.expansion.timestamp",
"short": "Time valueset expansion happened",
"definition": "The time at which the expansion was produced by the expanding system.",
"comments": "This SHOULD have be a fully populated instant, but in some circumstances, value sets are expanded by hand, of the expansion is published without that precision.",
"min": 1,
"max": "1",
"type": [
{
"code": "dateTime"
}
]
},
{
"path": "ValueSet.expansion.total",
"short": "Total number of codes in the expansion",
"definition": "The total nober of concepts in the expansion. If the number of concept nodes in this resource is less than the stated number, then the server can return more using the offset parameter.",
"comments": "Paging only applies to flat expansions.",
"min": 0,
"max": "1",
"type": [
{
"code": "integer"
}
]
},
{
"path": "ValueSet.expansion.offset",
"short": "Offset at which this resource starts",
"definition": "If paging is being used, the offset at which this resource starts - e.g. this resource is a partial view into the expansion. If paging is not being used, this element SHALL not be present.",
"comments": "Paging only applies to flat expansions. If a filter is applied, the count is the number of concepts that matched the filter, not the number of concepts in an unfiltered view of the expansion.",
"min": 0,
"max": "1",
"type": [
{
"code": "integer"
}
],
"meaningWhenMissing": "Paging is not being used"
},
{
"path": "ValueSet.expansion.parameter",
"short": "Parameter that controlled the expansion process",
"definition": "A Parameter that controlled the expansion process. These parameters may be used by users of expanded value sets to check whether the expansion is suitable for a particular purpose, or to pick the correct expansion.",
"comments": "The server decides which parameters to include here, but as a minimum, the list SHOULD include the date, filter, and profile parameters passed to the $expand operation (if any).",
"min": 0,
"max": "*"
},
{
"path": "ValueSet.expansion.parameter.name",
"short": "Name as assigned by server",
"definition": "The name of the parameter.",
"comments": "The names are assigned at the discretion of the server.",
"min": 1,
"max": "1",
"type": [
{
"code": "string"
}
]
},
{
"path": "ValueSet.expansion.parameter.value[x]",
"short": "Value of the named parameter",
"definition": "The value of the parameter.",
"min": 0,
"max": "1",
"type": [
{
"code": "string"
},
{
"code": "boolean"
},
{
"code": "integer"
},
{
"code": "decimal"
},
{
"code": "uri"
},
{
"code": "code"
}
]
},
{
"path": "ValueSet.expansion.contains",
"name": "contains",
"short": "Codes in the value set",
"definition": "The codes that are contained in the value set expansion.",
"min": 0,
"max": "*",
"constraint": [
{
"key": "vsd-9",
"severity": "error",
"human": "Must have a code if not abstract",
"xpath": "exists(f:code) or (f:abstract/@value = 'true')"
},
{
"key": "vsd-6",
"severity": "error",
"human": "SHALL have a code or a display",
"xpath": "exists(f:code) or exists(f:display)"
},
{
"key": "vsd-10",
"severity": "error",
"human": "Must have a system if a code is present",
"xpath": "exists(f:system) or not(exists(f:code))"
}
]
},
{
"path": "ValueSet.expansion.contains.system",
"short": "System value for the code",
"definition": "An absolute URI which is the code system in which the code for this item in the expansion is defined.",
"min": 0,
"max": "1",
"type": [
{
"code": "uri"
}
]
},
{
"path": "ValueSet.expansion.contains.abstract",
"short": "If user cannot select this entry",
"definition": "If true, this entry is included in the expansion for navigational purposes, and the user cannot select the code directly as a proper value.",
"comments": "This shouldn't be understood to exclude its use for searchig (e..g by subsumption testing). The client should know whether it is appropriate for the user to select an abstract code or not.",
"min": 0,
"max": "1",
"type": [
{
"code": "boolean"
}
]
},
{
"path": "ValueSet.expansion.contains.version",
"short": "Version in which this code / display is defined",
"definition": "The version of this code system that defined this code and/or display. This should only be used with code systems that do not enforce concept permanence.",
"comments": "The exact value of the version string is specified by the system from which the code is derived.",
"min": 0,
"max": "1",
"type": [
{
"code": "string"
}
]
},
{
"path": "ValueSet.expansion.contains.code",
"short": "Code - if blank, this is not a choosable code",
"definition": "The code for this item in the expansion heirarchy. If this code is missing the entry in the heirarchy is a place holder (abstract) and doesn't represent a valid code in the value set.",
"min": 0,
"max": "1",
"type": [
{
"code": "code"
}
],
"condition": [
"vsd-6"
]
},
{
"path": "ValueSet.expansion.contains.display",
"short": "User display for the concept",
"definition": "The recommended display for this item in the expansion.",
"min": 0,
"max": "1",
"type": [
{
"code": "string"
}
],
"condition": [
"vsd-6"
]
},
{
"path": "ValueSet.expansion.contains.contains",
"short": "Codes contained under this entry",
"definition": "Other codes and entries contained under this entry in the heirarchy.",
"comments": "If the expansion uses this element, there is no implication about the logical relationship between them, and the structure cannot be used for logical inferencing. The structure exists to provide navigational assistance for helping human users to locate codes in the expansion.",
"min": 0,
"max": "*",
"nameReference": "contains"
}
]
}
}
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.
© HL7.org 2011+. FHIR DSTU2 (v1.0.0-6850) generated on Tue, Sep 1, 2015 14:40+1000.
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