Linked Care Implementation Guide
0.9.1 - ci-build

Extension: System OID

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.

The official URL for this extension is:

http://fhir.hl7.at/linkedcare/StructureDefinition/at-core-ext-valueset-systemoid

Status: draft
Extension maintained by: The Linked Care Consortium

Context of Use

This extension may be used on the following element(s):

  • Element ID

Usage info

Usage:

Formal Views of Extension Content

Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.

This structure is derived from Extension

Summary

Simple Extension of type oid: 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.

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension 0..*ExtensionSystem OID
... extension 0..0
... url 1..1uri"http://fhir.hl7.at/linkedcare/StructureDefinition/at-core-ext-valueset-systemoid"
... value[x] 1..1oidValue of extension

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension 0..*ExtensionSystem OID
... id 0..1idUnique id for inter-element referencing
... extension 0..0
... url 1..1uri"http://fhir.hl7.at/linkedcare/StructureDefinition/at-core-ext-valueset-systemoid"

doco Documentation for this format

This structure is derived from Extension

Summary

Simple Extension of type oid: 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.

Differential View

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension 0..*ExtensionSystem OID
... extension 0..0
... url 1..1uri"http://fhir.hl7.at/linkedcare/StructureDefinition/at-core-ext-valueset-systemoid"
... value[x] 1..1oidValue of extension

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension 0..*ExtensionSystem OID
... id 0..1idUnique id for inter-element referencing
... extension 0..0
... url 1..1uri"http://fhir.hl7.at/linkedcare/StructureDefinition/at-core-ext-valueset-systemoid"

doco Documentation for this format

 

Other representations of profile: CSV, Excel, Schematron

Constraints

IdGradePath(s)DetailsRequirements
ele-1error**ALL** elementsAll FHIR elements must have a @value or children
: hasValue() or (children().count() > id.count())
ext-1error**ALL** extensionsMust have either extensions or value[x], not both
: extension.exists() != value.exists()