R4 Ballot #1 (Mixed Normative/Trial use)
TerminologyThis page is part of the FHIR Specification (v3.3.0: R4 Ballot 2). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions 
| Vocabulary Work Group | Maturity Level: 1 | Informative | Use Context: Any |
Detailed Descriptions for the elements in the extension.
| Extension | |
| Element Id | Extension |
| Definition | Refers to another code defined within the code system that is also subsumed by this code. I.e. This concept subsumes the referenced concept. Because meaning is inferred from hierarchy as well as definition, the presence of this extension modifies the meaning of the extended concept. |
| Control | 0..* This element is affected by the following invariants: ele-1 |
| Is Modifier | true (Reason: This changes the definition of the element causing it to inherit the meaning of the parent concept as well.) |
| Invariants | Defined on this element ele-1: All FHIR elements must have a @value or children (xpath: @value|f:*|h:div) ext-1: Must have either extensions or value[x], not both (xpath: exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])) |
| Extension.id | |
| Element Id | 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 |
| Extension.extension | |
| Element Id | Extension.extension |
| Definition | An Extension |
| Control | 0..0 |
| Type | Extension |
| Slicing | This element introduces a set of slices. The slicing rules are:
|
| Extension.url | |
| Element Id | 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 SHALL be a URI for the Structure Definition defining the extension. |
| Fixed Value | http://hl7.org/fhir/StructureDefinition/codesystem-subsumes |
| Extension.valueCode | |
| Element Id | Extension.valueCode |
| 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 | 0..1 |
| Type | code |
®© HL7.org 2011+. FHIR Mixed Nomative/Trial Use Ballot (v3.3.0-13671) generated on Tue, Apr 3, 2018 12:12+1000. QA Page
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