Structured Data Capture
4.0.0 -
Structured Data Capture
4.0.0 -
Structured Data Capture, published by HL7 International / FHIR Infrastructure. This guide is not an authorized publication; it is the continuous build for version 4.0.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/sdc/ and changes regularly. See the Directory of published versions
| Official URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-keyboard | Version: 4.0.0 | |||
| Standards status: Trial-use Active as of 2025-10-22 | Maturity Level: 1 | Computable Name: Keyboard | ||
| Other Identifiers: OID:2.16.840.1.113883.4.642.40.17.42.91 | ||||
For string or text items, indicates the 'keyboard type' that should be used by the user interface to guide entry. It does not dictate any specific functionality, it is only used as a hint to input devices that may have special keyboard modes available.
Context of Use
This extension may be used on the following element(s)
Questionnaire.item
ElementDefinition
Usage info
Usages:
You can also check for usages in the FHIR IG Statistics
Description Differentials, Snapshots, and other representations.
| Name | Flags | Card. | Type | Description & Constraints Filter:   |
|---|---|---|---|---|
  Extension |
0..1 | Extension | Keyboard Type | |
  extension |
0..0 | |||
| url |
1..1 | uri | "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-keyboard" | |
  value[x] |
0..1 | Coding | Value of extension Binding: Questionnaire Item Keyboard Type (extensible): Keyboard types that can be used for text entry. | |
| Documentation for this format | ||||
| Path | Status | Usage | ValueSet | Version | Source |
| Extension.value[x] | Base | extensible | Questionnaire Item Keyboard Type | 📦4.0.0 | This IG |
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
 Extension |
0..1 | Extension | Keyboard Type | |
 id |
0..1 | string | Unique id for inter-element referencing | |
| extension |
0..0 | |||
| url |
1..1 | uri | "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-keyboard" | |
| value[x] |
0..1 | Coding | Value of extension Binding: Questionnaire Item Keyboard Type (extensible): Keyboard types that can be used for text entry. | |
| Documentation for this format | ||||
| Path | Status | Usage | ValueSet | Version | Source |
| Extension.value[x] | Base | extensible | Questionnaire Item Keyboard Type | 📦4.0.0 | This IG |
| Id | Grade | Path(s) | Description | Expression |
| ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children |
hasValue() or (children().count() > id.count())
|
| ext-1 | error | **ALL** extensions | Must have either extensions or value[x], not both |
extension.exists() != value.exists()
|
Summary
Simple Extension with the type Coding: For string or text items, indicates the 'keyboard type' that should be used by the user interface to guide entry. It does not dictate any specific functionality, it is only used as a hint to input devices that may have special keyboard modes available.
Maturity: 1
Differential ViewDifferential View
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..1 | Extension | Keyboard Type | |
| extension |
0..0 | |||
| url |
1..1 | uri | "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-keyboard" | |
| value[x] |
0..1 | Coding | Value of extension Binding: Questionnaire Item Keyboard Type (extensible): Keyboard types that can be used for text entry. | |
| Documentation for this format | ||||
| Path | Status | Usage | ValueSet | Version | Source |
| Extension.value[x] | Base | extensible | Questionnaire Item Keyboard Type | 📦4.0.0 | This IG |
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..1 | Extension | Keyboard Type | |
| id |
0..1 | string | Unique id for inter-element referencing | |
| extension |
0..0 | |||
| url |
1..1 | uri | "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-keyboard" | |
| value[x] |
0..1 | Coding | Value of extension Binding: Questionnaire Item Keyboard Type (extensible): Keyboard types that can be used for text entry. | |
| Documentation for this format | ||||
| Path | Status | Usage | ValueSet | Version | Source |
| Extension.value[x] | Base | extensible | Questionnaire Item Keyboard Type | 📦4.0.0 | This IG |
| Id | Grade | Path(s) | Description | Expression |
| ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children |
hasValue() or (children().count() > id.count())
|
| ext-1 | error | **ALL** extensions | Must have either extensions or value[x], not both |
extension.exists() != value.exists()
|
Summary
Simple Extension with the type Coding: For string or text items, indicates the 'keyboard type' that should be used by the user interface to guide entry. It does not dictate any specific functionality, it is only used as a hint to input devices that may have special keyboard modes available.
Maturity: 1
Other representations of profile: CSV, Excel, Schematron
IG © 2022+ HL7 International / FHIR Infrastructure.
Package hl7.fhir.uv.sdc#4.0.0 based on FHIR 4.0.1.
Generated 2025-10-22
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