This case-sensitive code system
http://hl7.org/fhir/linkage-type
defines the following codes:
Code
|
Display
|
Definition
|
source
|
Source of Truth |
The resource represents the "source of truth" (from the perspective of this Linkage resource) for the underlying event/condition/etc. |
alternate
|
Alternate Record |
The resource represents an alternative view of the underlying event/condition/etc. The resource may still be actively maintained, even though it is not considered to be the source of truth. |
historical
|
Historical/Obsolete Record |
The resource represents an obsolete record of the underlying event/condition/etc. It is not expected to be actively maintained. |