This is the ValueSet that contains all the codes in Códigos de Países para NID (https://interoperabilidad.minsal.cl/fhir/ig/nid/ValueSet/vs-codigos-paises-nid) and Códigos de Países para NID (https://interoperabilidad.minsal.cl/fhir/ig/nid/ValueSet/vs-codigos-paises-nid). E.g. what you have to deal with if you get resources containing codes in either of them