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 b601bf88-b57b-4b73-a9a5-705838f4e915-750
This code system http://hl7.org/fhir/comparison/CodeSystem/b601bf88-b57b-4b73-a9a5-705838f4e915-750 defines codes, but no codes are represented here