This is the CodeSystem that contains codes in both ResearchSubjectMilestone (http://terminology.hl7.org/CodeSystem/research-subject-milestone) and ResearchSubjectMilestone (http://terminology.hl7.org/CodeSystem/research-subject-milestone).
Generated Narrative: CodeSystem 0fe243fb-0325-42eb-9949-7980a81f5112-831
This code system http://hl7.org/fhir/comparison/CodeSystem/0fe243fb-0325-42eb-9949-7980a81f5112-831 defines codes, but no codes are represented here