This is the ValueSet that contains all the codes in EL Profile Set Operator Value Set (http://hl7.org/fhir/uv/termchangeset/ValueSet/el-profile-set-operator-vs) and EL Profile Set Operator Value Set (http://hl7.org/fhir/uv/termchangeset/ValueSet/el-profile-set-operator-vs). E.g. what you have to deal with if you get resources containing codes in either of them