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 c5f0ac35-f5d9-465b-8c01-0cd6ea3b8212-843
This code system http://hl7.org/fhir/comparison/CodeSystem/c5f0ac35-f5d9-465b-8c01-0cd6ea3b8212-843 defines codes, but no codes are represented here