This is the ValueSet that contains all the codes in Patient Contact Relationship (http://hl7.org/fhir/ValueSet/patient-contactrelationship) and Códigos de relación del contacto con el paciente (https://hl7chile.cl/fhir/ig/clcore/ValueSet/VSContactoRelacion). E.g. what you have to deal with if you get resources containing codes in either of them