This is the CodeSystem that contains all the codes in WHO Regional Offices CodeSystem (http://smart.who.int/trust/CodeSystem/WHORegionalOffices) and WHO Regional Offices CodeSystem (http://smart.who.int/trust/CodeSystem/WHORegionalOffices). E.g. what you have to deal with if you get resources containing codes in either of them
Generated Narrative: CodeSystem 55778ee0-2f8a-4a19-ab14-90d70d558f93-44
This code system http://hl7.org/fhir/comparison/CodeSystem/55778ee0-2f8a-4a19-ab14-90d70d558f93-44 defines codes, but no codes are represented here