This is the CodeSystem that contains all the codes in WHO GDHCN Key Usage CodeSystem - DEV (http://smart.who.int/trust/CodeSystem/KeyUsage-DEV) and WHO GDHCN Key Usage CodeSystem - DEV (http://smart.who.int/trust/CodeSystem/KeyUsage-DEV). E.g. what you have to deal with if you get resources containing codes in either of them
Generated Narrative: CodeSystem a790e9ea-f1bd-45b3-a862-9c89a4a21ea4-17
This code system http://hl7.org/fhir/comparison/CodeSystem/a790e9ea-f1bd-45b3-a862-9c89a4a21ea4-17 defines codes, but no codes are represented here