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

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

CodeSystem

Generated Narrative: CodeSystem a51fcf0b-5801-4baf-ad55-a337a1600c4b-506

This code system http://hl7.org/fhir/comparison/CodeSystem/a51fcf0b-5801-4baf-ad55-a337a1600c4b-506 defines codes, but no codes are represented here

CodeDisplayDefinition
treatment TreatmentThe activity is intended to provide or is related to treatment of the patient.
education EducationThe activity is intended to provide or is related to education of the patient.
assessment AssessmentThe activity is intended to perform or is related to assessment of the patient.