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