This is the CodeSystem that contains all the codes in WHO GDHCN Key Usage CodeSystem - UAT (http://smart.who.int/trust/CodeSystem/KeyUsage-UAT) and WHO GDHCN Key Usage CodeSystem - UAT (http://smart.who.int/trust/CodeSystem/KeyUsage-UAT). E.g. what you have to deal with if you get resources containing codes in either of them
Generated Narrative: CodeSystem f8a91f9f-6a44-4b2a-ac3e-a2ba781e5a99-20
This code system http://hl7.org/fhir/comparison/CodeSystem/f8a91f9f-6a44-4b2a-ac3e-a2ba781e5a99-20 defines codes, but no codes are represented here