STU3 Candidate

This page is part of the FHIR Specification (v1.8.0: STU 3 Draft). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions . Page versions: R4B R4 R3 R2

Common extensions for ElementDefinition data type

Defines "common" extensions for use with the DataElement data type

Content

Extensions:
elementdefinition-identifierExternal Identifier associated with this element :

External Identifiers associated with this element - these are identifiers that are associated with the concept this element represents.

elementdefinition-questionPrompt for element phrased as question :

The default/suggested phrasing to use when prompting a human to capture the data element in question form (e.g. In a survey).

elementdefinition-allowedUnitsUnits to use for measured value :

Identifies the units of measure in which the element should be captured or expressed.

elementdefinition-maxValueSetMaximum Value Set (when strength = extensible) :

The maximum allowable value set, for use when the binding strength is 'extensible'. This value set is the value set from which extensions can be taken from.

elementdefinition-minValueSetMinimum Value Set (what system must support) :

The minimum allowable value set, for use when the binding strength is 'required' or 'extensible'. This value set is the minimum value set that any conformant system SHALL support.

elementdefinition-equivalenceequivalent | equal | wider | subsumes | narrower | specializes | inexact | unmatched | disjoint :

The level of equivalence between the element containing the mapping and the element mapped to.

elementdefinition-namespacespecifiy namespace other than http://hl7.org/fhir :

Use this extension to indicate tha the element has an XML namespace different to http://hl7.org/fhir.

elementdefinition-bestpracticeMark a warning invariant as 'best practice' :

Mark that an invariant represents 'best practice' rule - a rule that implementers may choose to enforce at error level in some or all circumstances.