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 d53e329c-e887-45ef-9643-5105cec80626-750
This code system http://hl7.org/fhir/comparison/CodeSystem/d53e329c-e887-45ef-9643-5105cec80626-750 defines codes, but no codes are represented here