This is the ValueSet that contains all the codes in EntityNamePartQualifierR2 (http://terminology.hl7.org/ValueSet/v3-EntityNamePartQualifierR2) and EntityNamePartQualifierR2 (http://terminology.hl7.org/ValueSet/v3-EntityNamePartQualifierR2). E.g. what you have to deal with if you get resources containing codes in either of them