Union of http://terminology.hl7.org/CodeSystem/adverse-event-severity and http://terminology.hl7.org/CodeSystem/adverse-event-severity

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

CodeSystem

Generated Narrative: CodeSystem d1c8b6ec-a80e-4fac-a75a-4c2360d0fb6d-566

This code system http://hl7.org/fhir/comparison/CodeSystem/d1c8b6ec-a80e-4fac-a75a-4c2360d0fb6d-566 defines codes, but no codes are represented here

CodeDisplay
mild Mild
moderate Moderate
severe Severe