HL7® Austria FHIR® Core Implementation Guide
1.1.0 - STU2
HL7® Austria FHIR® Core Implementation Guide - Local Development build (v1.1.0). See the Directory of published versions
Definitions for the at-core-ext-valueset-systemoid extension.
Guidance on how to interpret the contents of this table can be found here.
1. Extension | |
Definition | HL7® Austria FHIR® Core Extension for the capturing of OID in ValueSets to reference the CodeSystem they come from. The extension is used to document the OID of the system of a code referenced in a ValueSet, to align FHIR with the HL7 Austria CDA document guidelines. |
Control | 0..* This element is affected by the following invariants: ele-1 |
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. |
Control | 0..1 |
Type | string |
XML Representation | In the XML format, this property is represented as an attribute. |
Summary | false |
3. Extension.extension | |
Definition | An Extension |
Control | 0..0 |
Type | Extension |
Summary | false |
Invariants | Defined on this element ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count())) ext-1: Must have either extensions or value[x], not both (: extension.exists() != value.exists()) |
Slicing | This element introduces a set of slices on Extension.extension. The slices are unordered and Open, and can be differentiated using the following discriminators:
|
4. Extension.url | |
Definition | Source of the definition for the extension code - a logical name or a URL. |
Control | 1..1 |
Type | uri |
XML Representation | In the XML format, this property is represented as an attribute. |
Summary | false |
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. |
Fixed Value | http://hl7.at/fhir/HL7ATCoreProfiles/4.0.1/StructureDefinition/at-core-ext-valueset-systemoid |
5. Extension.value[x] | |
Definition | Value of extension - must be one of a constrained set of the data types (see Extensibility for a list). |
Control | 1..1 |
Type | oid |
[x] Note | See Choice of Data Types for further information about how to use [x] |
Summary | false |
Invariants | Defined on this element ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count())) |