This page is part of the FHIR Specification (v1.4.0: STU 3 Ballot 3). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions
Detailed Descriptions for the elements in the extension.
Extension | |
Definition | A logical reference (e.g. a reference to CodeSystem.url) that identifies the value set/version that identifies the set of possible coded values this coding was chosen from or constrained by. |
Control | 0..1 |
Type | Extension |
Extension.id | |
Definition | unique id for the element within a resource (for internal references). |
Control | 0..1 |
Type | id |
Extension.extension(extension) | |
Definition | An Extension |
Control | 0..0 |
Type | Extension |
Extension.url | |
Definition | Source of the definition for the extension code - a logical name or a URL. |
Control | 1..1 |
Type | uri |
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 should be version specific. This will ideally be the URI for the Resource Profile defining the extension, with the code for the extension after a #. |
Fixed Value | http://hl7.org/fhir/StructureDefinition/codesystem-reference |
Extension.valueUri | |
Definition | Value of extension - may be a resource or one of a constrained set of the data types (see Extensibility in the spec for list). |
Control | 1..1 |
Type | uri |