Union of http://terminology.hl7.org/CodeSystem/communication-category and http://terminology.hl7.org/CodeSystem/communication-category

This is the CodeSystem that contains all the codes in CommunicationCategory (http://terminology.hl7.org/CodeSystem/communication-category) and CommunicationCategory (http://terminology.hl7.org/CodeSystem/communication-category). E.g. what you have to deal with if you get resources containing codes in either of them

CodeSystem

Generated Narrative: CodeSystem 818959f7-0f8d-4f6f-b46c-7c5a5833d862-209

This code system http://hl7.org/fhir/comparison/CodeSystem/818959f7-0f8d-4f6f-b46c-7c5a5833d862-209 defines codes, but no codes are represented here

CodeDisplayDefinition
alert AlertThe communication conveys an alert.
notification NotificationThe communication conveys a notification.
reminder ReminderThe communication conveys a reminder.
instruction InstructionThe communication conveys an instruction.