Structured Data Capture
4.0.0 - STU 4
Structured Data Capture
4.0.0 - STU 4
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 | 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.
This may affect what characters are accessible or most easily available as well as what prediction algorithm is used. It is most typically used by mobile devices.
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 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..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 | ||||
| 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 | ||||
This structure is derived from Extension
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 View
This structure is derived from Extension
| 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 | ||||
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 | ||||
This structure is derived from Extension
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
| Path | Conformance | ValueSet | URI |
| Extension.value[x] | extensible | QuestionnaireItemKeyboardType(a valid code from Keyboard Type Codes)http://hl7.org/fhir/uv/sdc/ValueSet/keyboardTypeFrom this IG |
| Id | Grade | Path(s) | Details | Requirements |
| 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() |
IG © 2022+ HL7 International / FHIR Infrastructure. Package hl7.fhir.uv.sdc#4.0.0 based on FHIR 4.0.1. Generated 2025-09-04
Links: Table of Contents |
QA Report
| Version History |
|
Propose a change