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 ceaac9ad-f8a4-45dd-ac3b-287f763986d9-1449
This code system http://hl7.org/fhir/comparison/CodeSystem/ceaac9ad-f8a4-45dd-ac3b-287f763986d9-1449 defines codes, but no codes are represented here