This is the CodeSystem that contains all the codes in Language Proficiency CS (http://hl7.org/fhir/us/davinci-pdex-plan-net/CodeSystem/LanguageProficiencyCS) and Language Proficiency CS (http://hl7.org/fhir/us/davinci-pdex-plan-net/CodeSystem/LanguageProficiencyCS). E.g. what you have to deal with if you get resources containing codes in either of them
Generated Narrative: CodeSystem 79f140e1-796e-4f59-806f-b05878a9c008-26
This code system http://hl7.org/fhir/comparison/CodeSystem/79f140e1-796e-4f59-806f-b05878a9c008-26
defines codes, but no codes are represented here