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 07b973d6-97cd-42d7-b76a-7b2793e3363b-750
This code system http://hl7.org/fhir/comparison/CodeSystem/07b973d6-97cd-42d7-b76a-7b2793e3363b-750 defines codes, but no codes are represented here