This is the ValueSet that contains all the codes in ActRelationshipHasContra-indication (http://terminology.hl7.org/ValueSet/v3-ActRelationshipHasContra-indication) and ActRelationshipHasContra-indication (http://terminology.hl7.org/ValueSet/v3-ActRelationshipHasContra-indication). E.g. what you have to deal with if you get resources containing codes in either of them