Extensions for Using Data Elements from FHIR R5 in FHIR R4
0.1.0 - STU
Extensions for Using Data Elements from FHIR R5 in FHIR R4
0.1.0 - STU
Extensions for Using Data Elements from FHIR R5 in FHIR R4 - Downloaded Version null See the Directory of published versions
| Official URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-SearchParameter.modifier | Version: 0.1.0 | |||
| Standards status: Trial-use | Maturity Level: 0 | Computable Name: ExtensionSearchParameter_Modifier | ||
R5: SearchParameter.modifier additional codes
This extension is part of the cross-version definitions generated to enable use of the
element SearchParameter.modifier as defined in FHIR R5
in FHIR R4.
The source element is defined as:
SearchParameter.modifier 0..* code
Across FHIR versions, the element set has been mapped as:
SearchParameter.modifier 0..* codeSearchParameter.modifier 0..* codeSearchParameter.modifier 0..* codeFollowing are the generation technical comments:
Element SearchParameter.modifier is mapped to FHIR R4 element SearchParameter.modifier as RelatedTo.
The mappings for SearchParameter.modifier do not allow expression of the necessary codes, per the bindings on the source and target.
Context of Use
This extension may be used on the following element(s)
SearchParameter.modifier
This extension is allowed for use with FHIR versions R4 to R4 .
Usage info
Usages:
You can also check for usages in the FHIR IG Statistics
Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.
This structure is derived from Extension
| Name | Flags | Card. | Type | Description & Constraints Filter:   |
|---|---|---|---|---|
  Extension |
0..* | Extension(4.0.1) | R5: missing | exact | contains | not | text | in | not-in | below | above | type | identifier | of-type | code-text | text-advanced | iterate additional codes | |
 url |
1..1 | uri | "http://hl7.org/fhir/5.0/StructureDefinition/extension-SearchParameter.modifier" | |
  value[x] |
0..1 | code | missing | exact | contains | not | text | in | not-in | below | above | type | identifier | of-type | code-text | text-advanced | iterate Binding: R5SearchModifierCodeForR4 (0.1.0) (required): A supported modifier for a search parameter. | |
| Documentation for this format | ||||
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..* | Extension(4.0.1) | R5: missing | exact | contains | not | text | in | not-in | below | above | type | identifier | of-type | code-text | text-advanced | iterate additional codes Constraints: ext-1 | |
| id |
0..1 | string | Unique id for inter-element referencing | |
 extension |
0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url Constraints: ext-1 | |
| url |
1..1 | uri | "http://hl7.org/fhir/5.0/StructureDefinition/extension-SearchParameter.modifier" | |
| value[x] |
0..1 | code | missing | exact | contains | not | text | in | not-in | below | above | type | identifier | of-type | code-text | text-advanced | iterate Binding: R5SearchModifierCodeForR4 (0.1.0) (required): A supported modifier for a search parameter. | |
| Documentation for this format | ||||
Differential View
This structure is derived from Extension
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..* | Extension(4.0.1) | R5: missing | exact | contains | not | text | in | not-in | below | above | type | identifier | of-type | code-text | text-advanced | iterate additional codes | |
| url |
1..1 | uri | "http://hl7.org/fhir/5.0/StructureDefinition/extension-SearchParameter.modifier" | |
| value[x] |
0..1 | code | missing | exact | contains | not | text | in | not-in | below | above | type | identifier | of-type | code-text | text-advanced | iterate Binding: R5SearchModifierCodeForR4 (0.1.0) (required): A supported modifier for a search parameter. | |
| Documentation for this format | ||||
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..* | Extension(4.0.1) | R5: missing | exact | contains | not | text | in | not-in | below | above | type | identifier | of-type | code-text | text-advanced | iterate additional codes Constraints: ext-1 | |
| id |
0..1 | string | Unique id for inter-element referencing | |
| extension |
0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url Constraints: ext-1 | |
| url |
1..1 | uri | "http://hl7.org/fhir/5.0/StructureDefinition/extension-SearchParameter.modifier" | |
| value[x] |
0..1 | code | missing | exact | contains | not | text | in | not-in | below | above | type | identifier | of-type | code-text | text-advanced | iterate Binding: R5SearchModifierCodeForR4 (0.1.0) (required): A supported modifier for a search parameter. | |
| Documentation for this format | ||||
Other representations of profile: CSV, Excel, Schematron
| Path | Status | Usage | ValueSet | Version | Source |
| Extension.value[x] | Base | required | Cross-version ValueSet R5.SearchModifierCode for use in FHIR R4 | 📍0.1.0 | This IG |
| Id | Grade | Path(s) | Description | Expression |
| ele-1 | error | Extension, Extension.extension, Extension.value[x] | All FHIR elements must have a @value or children |
hasValue() or (children().count() > id.count())
|
| ext-1 | error | Extension, Extension.extension | Must have either extensions or value[x], not both |
extension.exists() != value.exists()
|
IG © 2025+ FHIR Infrastructure. Package hl7.fhir.uv.xver-r5.r4#0.1.0 based on FHIR 4.0.1. Generated 2026-03-20
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