Union of http://hl7.org/fhir/ValueSet/languages and http://hl7.org/fhir/ValueSet/languages

This is the ValueSet that contains all the codes in Common Languages (http://hl7.org/fhir/ValueSet/languages) and Common Languages (http://hl7.org/fhir/ValueSet/languages). E.g. what you have to deal with if you get resources containing codes in either of them

CodeSystem

Generated Narrative: ValueSet c518c02e-e6dd-41a5-ace7-f19b20fd762a-5