Release 4
ConformanceThis page is part of the FHIR Specification (v4.0.1: R4 - Mixed Normative and STU) in it's permanent home (it will always be available at this URL). 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
| FHIR Infrastructure Work Group | Maturity Level: 1 | Informative | Use Context: Any |
Detailed Descriptions for the elements in the extension.
| Extension | ||||||||||
| Element Id | Extension | |||||||||
| Definition | A code system that is supported by the system that is not defined in a value set resource. | |||||||||
| Cardinality | 0..* This element is affected by the following invariants: ele-1 | |||||||||
| Comments | Typically, this is a large terminology such as LOINC, SNOMED CT. | |||||||||
| Invariants |
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| 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. | |||||||||
| Cardinality | 0..1 | |||||||||
| Type | string | |||||||||
| Extension.extension | ||||||||||
| Element Id | Extension.extension | |||||||||
| Definition | An Extension | |||||||||
| Cardinality | 0..0 | |||||||||
| Type | Extension | |||||||||
| Invariants |
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| Slicing | This element introduces a set of slices. The slicing rules are:
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| Extension.url | ||||||||||
| Element Id | Extension.url | |||||||||
| Definition | Source of the definition for the extension code - a logical name or a URL. | |||||||||
| Cardinality | 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/capabilitystatement-supported-system | |||||||||
| Extension.value[x] | ||||||||||
| Element Id | Extension.value[x] | |||||||||
| Definition | Value of extension - must be one of a constrained set of the data types (see Extensibility for a list). | |||||||||
| Cardinality | 1..1 | |||||||||
| Type | uri | |||||||||
| [x] Note | See Choice of Data Types for further information about how to use [x] | |||||||||
| Invariants |
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®© HL7.org 2011+. FHIR Release 4 (Technical Correction #1) (v4.0.1) generated on Fri, Nov 1, 2019 09:34+1100. QA Page
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