DocumentRelationshipType

This code system http://hl7.org/fhir/document-relationship-type defines the following codes:

Code	Display	Definition
replaces	Replaces	This document logically replaces or supersedes the target document.
transforms	Transforms	This document was generated by transforming the target document (e.g. format or language conversion).
signs	Signs	This document is a signature of the target document.
appends	Appends	This document adds additional information to the target document.