GoalRelationshipType

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

Code	Display	Definition
predecessor	Predecessor	Indicates that the target goal is one which must be met before striving for the current goal
successor	Successor	Indicates that the target goal is a desired objective once the current goal is met
replacement	Replacement	Indicates that this goal has been replaced by the target goal
milestone	Milestone	Indicates that the target goal is considered to be a "piece" of attaining this goal.
other	Other	Indicates that the relationship is not covered by one of the pre-defined codes. (An extension may convey more information about the meaning of the relationship.)