Extensions for Using Data Elements from FHIR R4 in FHIR STU3
0.1.0 - STU
Extensions for Using Data Elements from FHIR R4 in FHIR STU3
0.1.0 - STU
Extensions for Using Data Elements from FHIR R4 in FHIR STU3 - Downloaded Version null See the Directory of published versions
| Page standards status: Trial-use | Maturity Level: 0 |
Definitions for the ext-R4-CatalogEntry.relatedEntry extension.
Guidance on how to interpret the contents of this table can be foundhere
| 0. Extension | |
| Definition | R4: Optional Extension Element - found in all resources. |
| Short | R4: An item that this catalog entry is related to (new)Optional Extensions Element |
| Comments | Element |
| Control | 0..* This element is affected by the following invariants: ele-1 |
| Is Modifier | false |
| Invariants | ele-1: All FHIR elements must have a @value or children (hasValue() | (children().count() > id.count()))ext-1: Must have either extensions or value[x], not both ( extension.exists() != value.exists())ele-1: All FHIR elements must have a @value or children (hasValue() | (children().count() > id.count())) ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists()) |
| 2. Extension.extension | |
| Definition | An Extension 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. |
| Short | ExtensionAdditional Content defined by implementations |
| 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. |
| Control | 20..* |
| Type | Extension |
| Alternate Names | extensions, user content |
| Slicing | This element introduces a set of slices on Extension.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators: |
| 4. Extension.extension:relationtype | |
| Slice Name | relationtype |
| Definition | R4: |
| Short | R4: triggers | is-replaced-by (new)Additional Content defined by implementations |
| Comments | Element |
| Control | 10..1* |
| Type | Extension |
| Requirements | Element |
| 6. Extension.extension:relationtype.url | |
| Definition | Source of the definition for the extension code - a logical name or a URL. |
| Short | identifies the meaning of the extension |
| Comments | The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension. |
| Control | 1..1 |
| Type | uri |
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension |
| XML Format | In the XML format, this property is represented as an attribute. |
| Fixed Value | relationtype |
| 8. Extension.extension:relationtype.value[x] | |
| Definition | The type of relation to the related item: child, parent, packageContent, containerPackage, usedIn, uses, requires, etc. Value of extension - may be a resource or one of a constrained set of the data types (see Extensibility in the spec for list). |
| Short | triggers | is-replaced-byValue of extension |
| Control | 10..1 |
| Binding | The codes SHALL be taken from For codes, see R4RelationTypeForR3 (0.1.0) (required to http://hl7.org/fhir/uv/xver/ValueSet/R4-relation-type-for-R3|0.1.0)The type of relations between entries. |
| Type | code, date, dateTime, Meta, string, Address, Attachment, integer, oid, Count, instant, ContactPoint, HumanName, Money, Identifier, Coding, markdown, SampledData, Ratio, id, positiveInt, Age, Distance, Reference, Period, Quantity, Duration, Range, uri, Annotation, boolean, base64Binary, Signature, unsignedInt, time, Timing, decimal, CodeableConcept |
| [x] Note | SeeChoice of Data Typesfor further information about how to use [x] |
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension |
| 10. Extension.extension:item | |
| Slice Name | item |
| Definition | R4: |
| Short | R4: The reference to the related item (new)Additional Content defined by implementations |
| Comments | Element |
| Control | 10..1* |
| Type | Extension |
| Requirements | Element |
| 12. Extension.extension:item.url | |
| Definition | Source of the definition for the extension code - a logical name or a URL. |
| Short | identifies the meaning of the extension |
| Comments | The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension. |
| Control | 1..1 |
| Type | uri |
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension |
| XML Format | In the XML format, this property is represented as an attribute. |
| Fixed Value | item |
| 14. Extension.extension:item.value[x] | |
| Definition | The reference to the related item. Value of extension - may be a resource or one of a constrained set of the data types (see Extensibility in the spec for list). |
| Short | The reference to the related itemValue of extension |
| Control | 10..1 |
| Type | Reference(Cross-version Profile for R4.CatalogEntry for use in FHIR STU3, Basic), date, dateTime, Meta, code, string, Address, Attachment, integer, oid, Count, instant, ContactPoint, HumanName, Money, Identifier, Coding, markdown, SampledData, Ratio, id, positiveInt, Age, Distance, Period, Quantity, Duration, Range, uri, Annotation, boolean, base64Binary, Signature, unsignedInt, time, Timing, decimal, CodeableConcept |
| [x] Note | SeeChoice of Data Typesfor further information about how to use [x] |
| 16. Extension.url | |
| Definition | Source of the definition for the extension code - a logical name or a URL. |
| Short | identifies the meaning of the extension |
| Comments | The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension. |
| Control | 1..1 |
| Type | uri |
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension |
| XML Format | In the XML format, this property is represented as an attribute. |
| Fixed Value | http://hl7.org/fhir/4.0/StructureDefinition/extension-CatalogEntry.relatedEntry |
| 18. Extension.value[x] | |
| Definition | Value of extension - may be a resource or one of a constrained set of the data types (see Extensibility in the spec for list). |
| Short | Value of extension |
| Control | 0..01 |
| Type | Choice of: base64Binary, boolean, code, date, dateTime, decimal, id, instant, integer, markdown, oid, positiveInt, string, time, unsignedInt, uri, Address, Age, Annotation, Attachment, CodeableConcept, Coding, ContactPoint, Count, Distance, Duration, HumanName, Identifier, Money, Period, Quantity, Range, Ratio, Reference, SampledData, Signature, Timing, Meta |
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension |
Guidance on how to interpret the contents of this table can be foundhere
| 0. Extension | |
| Definition | R4: |
| Short | R4: An item that this catalog entry is related to (new) |
| Comments | Element |
| Control | 0..* |
| Is Modifier | false |
| 2. Extension.extension | |
| Control | 2..* |
| Slicing | This element introduces a set of slices on Extension.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators: |
| 4. Extension.extension:relationtype | |
| Slice Name | relationtype |
| Definition | R4: |
| Short | R4: triggers | is-replaced-by (new) |
| Comments | Element |
| Control | 1..1 |
| Requirements | Element |
| 6. Extension.extension:relationtype.url | |
| Control | 1..1 |
| Fixed Value | relationtype |
| 8. Extension.extension:relationtype.value[x] | |
| Definition | The type of relation to the related item: child, parent, packageContent, containerPackage, usedIn, uses, requires, etc. |
| Short | triggers | is-replaced-by |
| Control | 1..1 |
| Binding | The codes SHALL be taken from R4RelationTypeForR3 (0.1.0) (required to http://hl7.org/fhir/uv/xver/ValueSet/R4-relation-type-for-R3|0.1.0)The type of relations between entries. |
| Type | code |
| [x] Note | SeeChoice of Data Typesfor further information about how to use [x] |
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension |
| 10. Extension.extension:item | |
| Slice Name | item |
| Definition | R4: |
| Short | R4: The reference to the related item (new) |
| Comments | Element |
| Control | 1..1 |
| Requirements | Element |
| 12. Extension.extension:item.url | |
| Control | 1..1 |
| Fixed Value | item |
| 14. Extension.extension:item.value[x] | |
| Definition | The reference to the related item. |
| Short | The reference to the related item |
| Control | 1..1 |
| Type | Reference(Cross-version Profile for R4.CatalogEntry for use in FHIR STU3, Basic) |
| [x] Note | SeeChoice of Data Typesfor further information about how to use [x] |
| 16. Extension.url | |
| Control | 1..1 |
| Fixed Value | http://hl7.org/fhir/4.0/StructureDefinition/extension-CatalogEntry.relatedEntry |
| 18. Extension.value[x] | |
| Control | 0..0 |
Guidance on how to interpret the contents of this table can be foundhere
| 0. Extension | |
| Definition | R4: |
| Short | R4: An item that this catalog entry is related to (new) |
| Comments | Element |
| Control | 0..* This element is affected by the following invariants: ele-1 |
| Is Modifier | false |
| Invariants | ele-1: All FHIR elements must have a @value or children (hasValue() | (children().count() > id.count()))ext-1: Must have either extensions or value[x], not both ( extension.exists() != value.exists()) |
| 2. Extension.id | |
| Definition | unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces. |
| Short | xml:id (or equivalent in JSON) |
| Control | 0..1 |
| Type | string |
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension |
| XML Format | In the XML format, this property is represented as an attribute. |
| 4. Extension.extension | |
| Definition | An Extension |
| Short | Extension |
| Control | 2..* |
| Type | Extension |
| Slicing | This element introduces a set of slices on Extension.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators: |
| 6. Extension.extension:relationtype | |
| Slice Name | relationtype |
| Definition | R4: |
| Short | R4: triggers | is-replaced-by (new) |
| Comments | Element |
| Control | 1..1 |
| Type | Extension |
| Requirements | Element |
| 8. Extension.extension:relationtype.id | |
| Definition | unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces. |
| Short | xml:id (or equivalent in JSON) |
| Control | 0..1 |
| Type | string |
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension |
| XML Format | In the XML format, this property is represented as an attribute. |
| 10. Extension.extension:relationtype.extension | |
| 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. |
| Short | Additional Content defined by implementations |
| 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. |
| Control | 0..* |
| Type | Extension |
| Alternate Names | extensions, user content |
| Slicing | This element introduces a set of slices on Extension.extension.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators: |
| 12. Extension.extension:relationtype.url | |
| Definition | Source of the definition for the extension code - a logical name or a URL. |
| Short | identifies the meaning of the extension |
| Comments | The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension. |
| Control | 1..1 |
| Type | uri |
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension |
| XML Format | In the XML format, this property is represented as an attribute. |
| Fixed Value | relationtype |
| 14. Extension.extension:relationtype.value[x] | |
| Definition | The type of relation to the related item: child, parent, packageContent, containerPackage, usedIn, uses, requires, etc. |
| Short | triggers | is-replaced-by |
| Control | 1..1 |
| Binding | The codes SHALL be taken from R4RelationTypeForR3 (0.1.0) (required to http://hl7.org/fhir/uv/xver/ValueSet/R4-relation-type-for-R3|0.1.0)The type of relations between entries. |
| Type | code |
| [x] Note | SeeChoice of Data Typesfor further information about how to use [x] |
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension |
| 16. Extension.extension:item | |
| Slice Name | item |
| Definition | R4: |
| Short | R4: The reference to the related item (new) |
| Comments | Element |
| Control | 1..1 |
| Type | Extension |
| Requirements | Element |
| 18. Extension.extension:item.id | |
| Definition | unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces. |
| Short | xml:id (or equivalent in JSON) |
| Control | 0..1 |
| Type | string |
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension |
| XML Format | In the XML format, this property is represented as an attribute. |
| 20. Extension.extension:item.extension | |
| 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. |
| Short | Additional Content defined by implementations |
| 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. |
| Control | 0..* |
| Type | Extension |
| Alternate Names | extensions, user content |
| Slicing | This element introduces a set of slices on Extension.extension.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators: |
| 22. Extension.extension:item.url | |
| Definition | Source of the definition for the extension code - a logical name or a URL. |
| Short | identifies the meaning of the extension |
| Comments | The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension. |
| Control | 1..1 |
| Type | uri |
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension |
| XML Format | In the XML format, this property is represented as an attribute. |
| Fixed Value | item |
| 24. Extension.extension:item.value[x] | |
| Definition | The reference to the related item. |
| Short | The reference to the related item |
| Control | 1..1 |
| Type | Reference(Cross-version Profile for R4.CatalogEntry for use in FHIR STU3, Basic) |
| [x] Note | SeeChoice of Data Typesfor further information about how to use [x] |
| 26. Extension.url | |
| Definition | Source of the definition for the extension code - a logical name or a URL. |
| Short | identifies the meaning of the extension |
| Comments | The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension. |
| Control | 1..1 |
| Type | uri |
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension |
| XML Format | In the XML format, this property is represented as an attribute. |
| Fixed Value | http://hl7.org/fhir/4.0/StructureDefinition/extension-CatalogEntry.relatedEntry |
| 28. Extension.value[x] | |
| Definition | Value of extension - may be a resource or one of a constrained set of the data types (see Extensibility in the spec for list). |
| Short | Value of extension |
| Control | 0..0 |
| Type | Choice of: base64Binary, boolean, code, date, dateTime, decimal, id, instant, integer, markdown, oid, positiveInt, string, time, unsignedInt, uri, Address, Age, Annotation, Attachment, CodeableConcept, Coding, ContactPoint, Count, Distance, Duration, HumanName, Identifier, Money, Period, Quantity, Range, Ratio, Reference, SampledData, Signature, Timing, Meta |
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension |
IG © 2025+ FHIR Infrastructure. Package hl7.fhir.uv.xver-r4.r3#0.1.0 based on FHIR 3.0.2. Generated 2026-03-20
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