This page is part of the FHIR Specification (v1.4.0: STU 3 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 

The official URL for this profile is:
http://hl7.org/fhir/StructureDefinition/sdc-element
Sets expectations for data elements registered or used as part of the structured data capture project
This profile was published on Mon, Apr 21, 2014 00:00+1000 as a draft by Health Level Seven International (Orders and Observations - Structured Data Capture).

Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.
This structure is derived from DataElement.
Summary
Mandatory: 7 elements (+4 nested mandatory elements)
 Must-Support: 53 elements
 Fixed Value: 1 element
 Prohibited: 8 elements
Extensions
This structure refers to these extensions:
This structure is derived from DataElement.
| Name | Flags | Card. | Type | Description & Constraints  | 
|---|---|---|---|---|
|   DataElement | 0..* | DataElement | Resource data element | |
|    meta | ∑ | 0..1 | Meta | Metadata about the resource | 
|    implicitRules | ?! ∑ | 0..1 | uri | A set of rules under which this content was created | 
|    language | 0..1 | code | Language of the resource content Binding: IETF BCP-47  (required) | |
|    text | I | 0..1 | Narrative | Text summary of the resource, for human interpretation | 
|    contained | 0..* | Resource | Contained, inline Resources | |
|    extension | 0..* | Extension | Additional Content defined by implementations | |
|    modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored | 
|    url | S ∑ | 1..1 | uri | Globally unique logical id for data element | 
|    identifier | S ∑ | 1..* | Identifier | Logical id to reference this data element | 
|    version | S ∑ | 0..1 | string | Logical id for this version of the data element | 
|    status | ?! S∑ | 1..1 | code | draft | active | retired Binding: ConformanceResourceStatus (required) | 
|    experimental | S ∑ | 0..1 | boolean | If for testing purposes, not real usage | 
|    publisher | S ∑ | 0..1 | string | Name of the publisher (Organization or individual) | 
|    date | S ∑ | 0..1 | dateTime | Date for this version of the data element | 
|    name | S ∑ | 1..1 | string | Descriptive label for this element definition | 
|    contact | S ∑ | 0..* | BackboneElement | Contact details of the publisher | 
|     extension | 0..* | Extension | Additional Content defined by implementations | |
|     modifierExtension | ?! ∑ | 0..* | Extension | Extensions that cannot be ignored | 
|     name | ∑ | 0..1 | string | Name of an individual to contact | 
|     telecom | S ∑ | 0..* | ContactPoint | Contact details for individual or publisher | 
|    useContext | S ∑ | 0..* | CodeableConcept | Content intends to support these contexts Binding: Context of Use ValueSet (extensible) | 
|    copyright | S | 0..1 | string | Use and/or publishing restrictions | 
|    stringency | S ∑ | 1..1 | code | comparable | fully-specified | equivalent | convertable | scaleable | flexible Binding: DataElementStringency (required) | 
|    mapping | S | 0..* | BackboneElement | External specification mapped to | 
|     extension | 0..* | Extension | Additional Content defined by implementations | |
|     modifierExtension | ?! ∑ | 0..* | Extension | Extensions that cannot be ignored | 
|     identity | S | 1..1 | id | Internal id when this mapping is used | 
|     uri | S | 0..1 | uri | Identifies what this mapping refers to | 
|     name | S | 0..1 | string | Names what this mapping refers to | 
|     comment | S | 0..1 | string | Versions, Issues, Scope limitations etc. | 
|    element | S ∑I | 1..* | ElementDefinition | Definition of element dae-1: No base allowed dae-2: No slicing allowed | 
|     elementdefinition-question | S | 0..* | string | Extension URL: http://hl7.org/fhir/StructureDefinition/elementdefinition-question | 
|     elementdefinition-allowedUnits | S | 0..1 | CodeableConcept, Reference(ValueSet) | Extension URL: http://hl7.org/fhir/StructureDefinition/elementdefinition-allowedUnits | 
|     minLength | S | 0..1 | integer | Extension URL: http://hl7.org/fhir/StructureDefinition/minLength | 
|     regex | S | 0..1 | string | Extension URL: http://hl7.org/fhir/StructureDefinition/regex | 
|     entryFormat | S | 0..1 | string | Extension URL: http://hl7.org/fhir/StructureDefinition/entryFormat | 
|     maxDecimalPlaces | S | 0..1 | integer | Extension URL: http://hl7.org/fhir/StructureDefinition/maxDecimalPlaces | 
|     path | S ∑ | 1..1 | string | The path of the element (see the Detailed Descriptions) | 
|     representation | ∑ | 0..* | code | xmlAttr | xmlText | typeAttr | cdaText Binding: PropertyRepresentation (required) | 
|     name | S ∑ | 0..1 | string | Name for this particular element definition (reference target) | 
|     label | S ∑ | 0..1 | string | Name for element to display with or prompt for element | 
|     code | S ∑ | 0..* | Coding | Defining code Binding: LOINC Codes (example) | 
|     slicing | ∑ I | 0..1 | Element | This element is sliced - slices follow eld-1: If there are no discriminators, there must be a definition | 
|      extension | 0..* | Extension | Additional Content defined by implementations | |
|      discriminator | ∑ | 0..* | string | Element values that are used to distinguish the slices | 
|      description | ∑ I | 0..1 | string | Text description of how slicing works (or not) | 
|      ordered | ∑ | 0..1 | boolean | If elements must be in same order as slices | 
|      rules | ∑ | 1..1 | code | closed | open | openAtEnd Binding: SlicingRules (required) | 
|     short | ∑ | 0..1 | string | Concise definition for xml presentation | 
|     definition | S ∑ | 1..1 | markdown | Full formal definition as narrative text | 
|     comments | ∑ | 0..1 | markdown | Comments about the use of this element | 
|     requirements | S ∑ | 0..1 | markdown | Why this resource has been created | 
|     alias | S ∑ | 0..* | string | Other names | 
|     contentReference | ∑ I | 0..1 | uri | Reference to definition of content for the element | 
|     type | S ∑I | 0..1 | Element | Data type and Profile for this element eld-4: Aggregation may only be specified if one of the allowed types for the element is a resource | 
|      extension | 0..* | Extension | Additional Content defined by implementations | |
|      code | S ∑ | 1..1 | code | Name of Data type or Resource Binding: FHIRDefinedType (required) | 
|      profile | ∑ | 0..* | uri | Profile (StructureDefinition) to apply (or IG) | 
|      aggregation | ∑ I | 0..* | code | contained | referenced | bundled - how aggregated Binding: AggregationMode (required) | 
|      versioning | ∑ | 0..1 | code | either | independent | specific Binding: ReferenceVersionRules (required) | 
|     fixed[x] | ∑ I | 0..1 | boolean, integer, decimal, base64Binary, instant, string, uri, date, dateTime, time, code, oid, id, unsignedInt, positiveInt, markdown, Annotation, Attachment, Identifier, CodeableConcept, Coding, Quantity, Range, Period, Ratio, SampledData, Signature, HumanName, Address, ContactPoint, Timing, Reference(Reference), Meta | Value must be exactly this | 
|     pattern[x] | ∑ I | 0..1 | boolean, integer, decimal, base64Binary, instant, string, uri, date, dateTime, time, code, oid, id, unsignedInt, positiveInt, markdown, Annotation, Attachment, Identifier, CodeableConcept, Coding, Quantity, Range, Period, Ratio, SampledData, Signature, HumanName, Address, ContactPoint, Timing, Reference(Reference), Meta | Value must have at least these property values | 
|     example[x] | S ∑ | 0..1 | boolean, integer, decimal, base64Binary, instant, string, uri, date, dateTime, time, code, oid, id, unsignedInt, positiveInt, markdown, Annotation, Attachment, Identifier, CodeableConcept, Coding, Quantity, Range, Period, Ratio, SampledData, Signature, HumanName, Address, ContactPoint, Timing, Reference(Reference), Meta | Example value (as defined for type) | 
|     minValue[x] | S ∑ | 0..1 | integer, decimal, instant, date, time, dateTime, Quantity | Minimum Allowed Value (for some types) | 
|     maxValue[x] | S ∑ | 0..1 | integer, decimal, instant, date, time, dateTime, Quantity | Maximum Allowed Value (for some types) | 
|     maxLength | S ∑ | 0..1 | integer | Max length for strings | 
|     isModifier | ∑ | 0..1 | boolean | If this modifies the meaning of other elements | 
|     isSummary | ∑ | 0..1 | boolean | Include when _summary = true? | 
|     binding | S ∑I | 0..1 | Element | ValueSet details if this is coded eld-10: provide either a reference or a description (or both) | 
|      extension | 0..* | Extension | Additional Content defined by implementations | |
|      strength | S ∑ | 1..1 | code | required | extensible | preferred | example Binding: BindingStrength (required) | 
|      description | S ∑I | 0..1 | string | Human explanation of the value set | 
|      valueSetReference | S ∑I | 1..1 | Reference(ValueSet) | Source of value set eld-12: URI SHALL start with http:// or https:// urn: | 
|     mapping | S ∑ | 0..* | Element | Map element to another set of definitions | 
|      elementdefinition-equivalence | S | 1..1 | code | Extension URL: http://hl7.org/fhir/StructureDefinition/elementdefinition-equivalence | 
|       url | 1..1 | uri | "http://hl7.org/fhir/StructureDefinition/elementdefinition-equivalence" | |
|       valueCode | S | 1..1 | code | Value of extension Binding: ConceptMapEquivalence (required) Fixed Value: equivalent | 
|      identity | S ∑ | 1..1 | id | Reference to mapping declaration | 
|      language | S ∑ | 0..1 | code | Computable language of mapping Binding: IETF BCP-13  (required) | 
|      map | S ∑ | 1..1 | string | Details of the mapping | 
|  Documentation for this format | ||||
todo
This structure is derived from DataElement.
Summary
Mandatory: 7 elements (+4 nested mandatory elements)
 Must-Support: 53 elements
 Fixed Value: 1 element
 Prohibited: 8 elements
Extensions
This structure refers to these extensions:
Differential View
This structure is derived from DataElement.
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints  | 
|---|---|---|---|---|
|   DataElement | 0..* | DataElement | Resource data element | |
|    meta | ∑ | 0..1 | Meta | Metadata about the resource | 
|    implicitRules | ?! ∑ | 0..1 | uri | A set of rules under which this content was created | 
|    language | 0..1 | code | Language of the resource content Binding: IETF BCP-47  (required) | |
|    text | I | 0..1 | Narrative | Text summary of the resource, for human interpretation | 
|    contained | 0..* | Resource | Contained, inline Resources | |
|    extension | 0..* | Extension | Additional Content defined by implementations | |
|    modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored | 
|    url | S ∑ | 1..1 | uri | Globally unique logical id for data element | 
|    identifier | S ∑ | 1..* | Identifier | Logical id to reference this data element | 
|    version | S ∑ | 0..1 | string | Logical id for this version of the data element | 
|    status | ?! S∑ | 1..1 | code | draft | active | retired Binding: ConformanceResourceStatus (required) | 
|    experimental | S ∑ | 0..1 | boolean | If for testing purposes, not real usage | 
|    publisher | S ∑ | 0..1 | string | Name of the publisher (Organization or individual) | 
|    date | S ∑ | 0..1 | dateTime | Date for this version of the data element | 
|    name | S ∑ | 1..1 | string | Descriptive label for this element definition | 
|    contact | S ∑ | 0..* | BackboneElement | Contact details of the publisher | 
|     extension | 0..* | Extension | Additional Content defined by implementations | |
|     modifierExtension | ?! ∑ | 0..* | Extension | Extensions that cannot be ignored | 
|     name | ∑ | 0..1 | string | Name of an individual to contact | 
|     telecom | S ∑ | 0..* | ContactPoint | Contact details for individual or publisher | 
|    useContext | S ∑ | 0..* | CodeableConcept | Content intends to support these contexts Binding: Context of Use ValueSet (extensible) | 
|    copyright | S | 0..1 | string | Use and/or publishing restrictions | 
|    stringency | S ∑ | 1..1 | code | comparable | fully-specified | equivalent | convertable | scaleable | flexible Binding: DataElementStringency (required) | 
|    mapping | S | 0..* | BackboneElement | External specification mapped to | 
|     extension | 0..* | Extension | Additional Content defined by implementations | |
|     modifierExtension | ?! ∑ | 0..* | Extension | Extensions that cannot be ignored | 
|     identity | S | 1..1 | id | Internal id when this mapping is used | 
|     uri | S | 0..1 | uri | Identifies what this mapping refers to | 
|     name | S | 0..1 | string | Names what this mapping refers to | 
|     comment | S | 0..1 | string | Versions, Issues, Scope limitations etc. | 
|    element | S ∑I | 1..* | ElementDefinition | Definition of element dae-1: No base allowed dae-2: No slicing allowed | 
|     elementdefinition-question | S | 0..* | string | Extension URL: http://hl7.org/fhir/StructureDefinition/elementdefinition-question | 
|     elementdefinition-allowedUnits | S | 0..1 | CodeableConcept, Reference(ValueSet) | Extension URL: http://hl7.org/fhir/StructureDefinition/elementdefinition-allowedUnits | 
|     minLength | S | 0..1 | integer | Extension URL: http://hl7.org/fhir/StructureDefinition/minLength | 
|     regex | S | 0..1 | string | Extension URL: http://hl7.org/fhir/StructureDefinition/regex | 
|     entryFormat | S | 0..1 | string | Extension URL: http://hl7.org/fhir/StructureDefinition/entryFormat | 
|     maxDecimalPlaces | S | 0..1 | integer | Extension URL: http://hl7.org/fhir/StructureDefinition/maxDecimalPlaces | 
|     path | S ∑ | 1..1 | string | The path of the element (see the Detailed Descriptions) | 
|     representation | ∑ | 0..* | code | xmlAttr | xmlText | typeAttr | cdaText Binding: PropertyRepresentation (required) | 
|     name | S ∑ | 0..1 | string | Name for this particular element definition (reference target) | 
|     label | S ∑ | 0..1 | string | Name for element to display with or prompt for element | 
|     code | S ∑ | 0..* | Coding | Defining code Binding: LOINC Codes (example) | 
|     slicing | ∑ I | 0..1 | Element | This element is sliced - slices follow eld-1: If there are no discriminators, there must be a definition | 
|      extension | 0..* | Extension | Additional Content defined by implementations | |
|      discriminator | ∑ | 0..* | string | Element values that are used to distinguish the slices | 
|      description | ∑ I | 0..1 | string | Text description of how slicing works (or not) | 
|      ordered | ∑ | 0..1 | boolean | If elements must be in same order as slices | 
|      rules | ∑ | 1..1 | code | closed | open | openAtEnd Binding: SlicingRules (required) | 
|     short | ∑ | 0..1 | string | Concise definition for xml presentation | 
|     definition | S ∑ | 1..1 | markdown | Full formal definition as narrative text | 
|     comments | ∑ | 0..1 | markdown | Comments about the use of this element | 
|     requirements | S ∑ | 0..1 | markdown | Why this resource has been created | 
|     alias | S ∑ | 0..* | string | Other names | 
|     contentReference | ∑ I | 0..1 | uri | Reference to definition of content for the element | 
|     type | S ∑I | 0..1 | Element | Data type and Profile for this element eld-4: Aggregation may only be specified if one of the allowed types for the element is a resource | 
|      extension | 0..* | Extension | Additional Content defined by implementations | |
|      code | S ∑ | 1..1 | code | Name of Data type or Resource Binding: FHIRDefinedType (required) | 
|      profile | ∑ | 0..* | uri | Profile (StructureDefinition) to apply (or IG) | 
|      aggregation | ∑ I | 0..* | code | contained | referenced | bundled - how aggregated Binding: AggregationMode (required) | 
|      versioning | ∑ | 0..1 | code | either | independent | specific Binding: ReferenceVersionRules (required) | 
|     fixed[x] | ∑ I | 0..1 | boolean, integer, decimal, base64Binary, instant, string, uri, date, dateTime, time, code, oid, id, unsignedInt, positiveInt, markdown, Annotation, Attachment, Identifier, CodeableConcept, Coding, Quantity, Range, Period, Ratio, SampledData, Signature, HumanName, Address, ContactPoint, Timing, Reference(Reference), Meta | Value must be exactly this | 
|     pattern[x] | ∑ I | 0..1 | boolean, integer, decimal, base64Binary, instant, string, uri, date, dateTime, time, code, oid, id, unsignedInt, positiveInt, markdown, Annotation, Attachment, Identifier, CodeableConcept, Coding, Quantity, Range, Period, Ratio, SampledData, Signature, HumanName, Address, ContactPoint, Timing, Reference(Reference), Meta | Value must have at least these property values | 
|     example[x] | S ∑ | 0..1 | boolean, integer, decimal, base64Binary, instant, string, uri, date, dateTime, time, code, oid, id, unsignedInt, positiveInt, markdown, Annotation, Attachment, Identifier, CodeableConcept, Coding, Quantity, Range, Period, Ratio, SampledData, Signature, HumanName, Address, ContactPoint, Timing, Reference(Reference), Meta | Example value (as defined for type) | 
|     minValue[x] | S ∑ | 0..1 | integer, decimal, instant, date, time, dateTime, Quantity | Minimum Allowed Value (for some types) | 
|     maxValue[x] | S ∑ | 0..1 | integer, decimal, instant, date, time, dateTime, Quantity | Maximum Allowed Value (for some types) | 
|     maxLength | S ∑ | 0..1 | integer | Max length for strings | 
|     isModifier | ∑ | 0..1 | boolean | If this modifies the meaning of other elements | 
|     isSummary | ∑ | 0..1 | boolean | Include when _summary = true? | 
|     binding | S ∑I | 0..1 | Element | ValueSet details if this is coded eld-10: provide either a reference or a description (or both) | 
|      extension | 0..* | Extension | Additional Content defined by implementations | |
|      strength | S ∑ | 1..1 | code | required | extensible | preferred | example Binding: BindingStrength (required) | 
|      description | S ∑I | 0..1 | string | Human explanation of the value set | 
|      valueSetReference | S ∑I | 1..1 | Reference(ValueSet) | Source of value set eld-12: URI SHALL start with http:// or https:// urn: | 
|     mapping | S ∑ | 0..* | Element | Map element to another set of definitions | 
|      elementdefinition-equivalence | S | 1..1 | code | Extension URL: http://hl7.org/fhir/StructureDefinition/elementdefinition-equivalence | 
|       url | 1..1 | uri | "http://hl7.org/fhir/StructureDefinition/elementdefinition-equivalence" | |
|       valueCode | S | 1..1 | code | Value of extension Binding: ConceptMapEquivalence (required) Fixed Value: equivalent | 
|      identity | S ∑ | 1..1 | id | Reference to mapping declaration | 
|      language | S ∑ | 0..1 | code | Computable language of mapping Binding: IETF BCP-13  (required) | 
|      map | S ∑ | 1..1 | string | Details of the mapping | 
|  Documentation for this format | ||||
XML Template
JSON Template
todo
Other representations of profile: Schematron

| Path | Name | Conformance | ValueSet | 
| DataElement.language | ?ext | required | http://tools.ietf.org/html/bcp47  | 
| DataElement.status | ConformanceResourceStatus | required | ConformanceResourceStatus | 
| DataElement.useContext | Context of Use ValueSet | extensible | Context of Use ValueSet | 
| DataElement.stringency | DataElementStringency | required | DataElementStringency | 
| DataElement.element.representation | PropertyRepresentation | required | PropertyRepresentation | 
| DataElement.element.code | LOINC Codes | example | LOINC Codes | 
| DataElement.element.slicing.rules | SlicingRules | required | SlicingRules | 
| DataElement.element.type.code | FHIRDefinedType | required | FHIRDefinedType | 
| DataElement.element.type.aggregation | AggregationMode | required | AggregationMode | 
| DataElement.element.type.versioning | ReferenceVersionRules | required | ReferenceVersionRules | 
| DataElement.element.constraint.severity | ConstraintSeverity | required | ConstraintSeverity | 
| DataElement.element.binding.strength | BindingStrength | required | BindingStrength | 
| DataElement.element.mapping.extension.valueCode | ConceptMapEquivalence | required | ConceptMapEquivalence | 
| DataElement.element.mapping.language | ?ext | required | http://www.rfc-editor.org/bcp/bcp13.txt  | 

| Id | Path | Details | Requirements | 
| dae-1 | DataElement.element | No base allowed XPath: not(exists(f:base)) | |
| dae-2 | DataElement.element | No slicing allowed XPath: not(exists(f:slicing)) | |
| eld-1 | DataElement.element.slicing | If there are no discriminators, there must be a definition XPath: (f:discriminator) or (f:description) | |
| eld-4 | DataElement.element.type | Aggregation may only be specified if one of the allowed types for the element is a resource XPath: not(exists(f:aggregation)) or exists(f:code[@value = 'Reference']) | |
| eld-10 | DataElement.element.binding | provide either a reference or a description (or both) XPath: (exists(f:valueSetUri) or exists(f:valueSetReference)) or exists(f:description) | |
| eld-12 | DataElement.element.binding.valueSetReference | URI SHALL start with http:// or https:// urn: XPath: starts-with(string(@value), 'http:') or starts-with(string(@value), 'https:') or starts-with(string(@value), 'urn:') |