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

This is the CodeSystem that contains all the codes in Device Alert Category (http://terminology.hl7.org/CodeSystem/devicealert-category) and Device Alert Category (http://terminology.hl7.org/CodeSystem/devicealert-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-7c5a5833d862-365

This code system http://hl7.org/fhir/comparison/CodeSystem/818959f7-0f8d-4f6f-b46c-7c5a5833d862-365 defines codes, but no codes are represented here

CodeDisplayDefinition
environment EnvironmentRelated to environmental conditions
respiratory RespiratoryRelated to subject's respiratory function
maintenance MaintenanceRelated to maintenance of the subject (e.g., a device)