This is the ValueSet that contains all the codes in Lý do không tiêm chủng — Vietnam Immunization Status Reason ValueSet (http://fhir.hl7.org.vn/core/ValueSet/vn-immunization-status-reason-vs) and Lý do không tiêm chủng — Vietnam Immunization Status Reason ValueSet (http://fhir.hl7.org.vn/core/ValueSet/vn-immunization-status-reason-vs). E.g. what you have to deal with if you get resources containing codes in either of them