Corrected By Extension

Canonical	../StructureDefinition/nexus-corrected-by
Status	draft (experimental) · 1.26.0
Base	Extension (constraint)
Context	Resource (element)
Source	FSH · JSON

Points from a record known to be incorrect to the record that carries the corrected information.

Elements / Details

Every element this profile touches, with its full definition. Element names in the tables link here.

Extension

Short	Corrected By Extension
Definition	Points from a record known to be incorrect to the record that carries the corrected information. Answers the question a reader holding a wrong record cannot otherwise answer: where is the right one? R4 gives DocumentReference a relatesTo for this and gives most other resource types nothing, so this extension is how the link is carried uniformly. Does not say the record is wrong -- the resource's own status element does that -- and does not replace version history, which remains the record of what changed and when.
Cardinality	0..*
Invariants	ele-1, ext-1

Extension.id

Short	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.
Cardinality	0..1
Type	http://hl7.org/fhirpath/System.String

Extension.extension

Short	Additional content defined by implementations
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.
Cardinality	0..0
Type	Extension
Invariants	ele-1, ext-1
Also called	extensions, user content

Extension.url

Short	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.
Cardinality	1..1
Type	http://hl7.org/fhirpath/System.String
Fixed value	../StructureDefinition/nexus-corrected-by

Extension.value[x]

Short	The resource carrying the corrected information
Definition	A reference to the resource that supersedes this one. Points forward, from wrong to right. The direction is the opposite of DocumentReference's relatesTo/replaces, which points from the new record back to the old one. Both directions are useful and this one is chosen because the reader who needs help is the one holding the stale record: they have it in hand and need somewhere to go. A reader holding the correction usually already knows what it replaced. Usually within one resource type, but not required to be: a wrongly recorded observation may be corrected by a differently typed resource where the original entry was the wrong kind of record altogether.
Cardinality	1..1
Type	Reference(Resource)
Invariants	ele-1