# text.div
This 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.

# description
Used to distinguish different roles a resource can play within a set of linked resources.

# concept[].definition
The resource represents the "source of truth" (from the perspective of this Linkage resource) for the underlying event/condition/etc.

# concept[].definition
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.

# concept[].definition
The resource represents an obsolete record of the underlying event/condition/etc.  It is not expected to be actively maintained.