Extensions
ExtensionManagementZone (Extension) I Extension There are no (further) constraints on this elementElement idExtension
Short description Optional Extensions Element
Definition Optional Extension Element - found in all resources.
Data type Constraints- ele-1: All FHIR elements must have a @value or children
hasValue() or (children().count() > id.count())
- ext-1: Must have either extensions or value[x], not both
extension.exists() != value.exists()
Mappings- rim: n/a
- rim: N/A
id 0..1 string There are no (further) constraints on this elementElement idExtension.id
Short description Unique id for inter-element referencing
Definition Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
Data type Mappings- rim: n/a
extension I 0..* Extension There are no (further) constraints on this elementElement idExtension.extension
Short description Additional content defined by implementations
Alternate names extensions, user content
Definition May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.
Comments There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.
Data type Sliced: Unordered, Open, by url(Value)
Extensions are always sliced by (at least) urlConstraints- ele-1: All FHIR elements must have a @value or children
hasValue() or (children().count() > id.count())
- ext-1: Must have either extensions or value[x], not both
extension.exists() != value.exists()
Mappings- rim: n/a
- rim: N/A
url 1..1 uriFixed Value Element idExtension.url
Short description identifies the meaning of the extension
Definition Source of the definition for the extension code - a logical name or a URL.
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.
Data type Fixed value https://nshealth.ca/fhir/StructureDefinition/Extension-ManagementZone
Mappings- rim: N/A
value[x] 0..1 Binding Element idExtension.value[x]
Short description Value of extension
Definition Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).
Binding Constraints- ele-1: All FHIR elements must have a @value or children
hasValue() or (children().count() > id.count())
Mappings- rim: n/a
- rim: N/A
valueCoding Coding Data type