This is the CodeSystem that contains all the codes in ResearchSubjectMilestone (http://terminology.hl7.org/CodeSystem/research-subject-milestone) and ResearchSubjectMilestone (http://terminology.hl7.org/CodeSystem/research-subject-milestone). E.g. what you have to deal with if you get resources containing codes in either of them
Generated Narrative: CodeSystem 756116d5-ab36-4b33-858d-2ea088e61db3-749
This code system http://hl7.org/fhir/comparison/CodeSystem/756116d5-ab36-4b33-858d-2ea088e61db3-749 defines codes, but no codes are represented here