Union of http://terminology.hl7.org/CodeSystem/iso639-3 and http://terminology.hl7.org/CodeSystem/iso639-3

This is the CodeSystem that contains all the codes in ISO 639-3 Language Codes Alpha 3 (http://terminology.hl7.org/CodeSystem/iso639-3) and ISO 639-3 Language Codes Alpha 3 (http://terminology.hl7.org/CodeSystem/iso639-3). E.g. what you have to deal with if you get resources containing codes in either of them

CodeSystem

Generated Narrative: CodeSystem 0229f20e-bdf6-4558-8625-5d09cf27fb48-1247

This code system http://hl7.org/fhir/comparison/CodeSystem/0229f20e-bdf6-4558-8625-5d09cf27fb48-1247 defines codes, but no codes are represented here

Code