This page is part of the Structured Data Capture FHIR IG (v2.7.0: STU 3 Ballot 2) based on FHIR R4. The current version which supercedes this version is 3.0.0.  For a full list of available versions, see the Directory of published versions 
The official URL for this extension is:
http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-calculatedExpression
Status: draft
    Extension maintained by: Health Level Seven International (Orders and Observations - Structured Data Capture)
Calculated value for a question answer as determined by an evaluated expression.
Context of Use
This extension may be used on the following element(s):
Usage info
Yet to be done: xref
Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.
This structure is derived from Extension
This structure is derived from Extension
| Name | Flags | Card. | Type | Description & Constraints  | 
|---|---|---|---|---|
|   Extension | 0..1 | Expression-determined initial value | ||
|    url | 1..1 | uri | "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-calculatedExpression" | |
|    valueExpression | 0..1 | Expression | ||
|  Documentation for this format | ||||
| Name | Flags | Card. | Type | Description & Constraints  | 
|---|---|---|---|---|
|   Extension | I | 0..1 | Expression-determined initial value | |
|    id | 0..1 | string | Unique id for inter-element referencing | |
|    extension | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
|    url | 1..1 | uri | "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-calculatedExpression" | |
|    valueExpression | 0..1 | Expression | Value of extension | |
|  Documentation for this format | ||||
This structure is derived from Extension
Differential View
This structure is derived from Extension
| Name | Flags | Card. | Type | Description & Constraints  | 
|---|---|---|---|---|
|   Extension | 0..1 | Expression-determined initial value | ||
|    url | 1..1 | uri | "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-calculatedExpression" | |
|    valueExpression | 0..1 | Expression | ||
|  Documentation for this format | ||||
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints  | 
|---|---|---|---|---|
|   Extension | I | 0..1 | Expression-determined initial value | |
|    id | 0..1 | string | Unique id for inter-element referencing | |
|    extension | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
|    url | 1..1 | uri | "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-calculatedExpression" | |
|    valueExpression | 0..1 | Expression | Value of extension | |
|  Documentation for this format | ||||
Other representations of extension: Schematron
| Id | Path | Details | Requirements | 
| ele-1 | Extension | All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count()) | |
| ext-1 | Extension | Must have either extensions or value[x], not both : extension.exists() != value.exists() |