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<status value="draft"/> <experimental value="false"/> <date value="2020-04-09T21:10:28+00:00"/> <publisher value="HL7 (FHIR Project)"/> <contact> <telecom> <system value="url"/> <value value="http://hl7.org/fhir"/> </telecom> <telecom> <system value="email"/> <value value="fhir@lists.hl7.org"/> </telecom> </contact> <description value="Identifies the kind of state being refered to."/> <caseSensitive value="true"/> <valueSet value="http://terminology.hl7.org/ValueSet/research-subject-state-type"/> <content value="complete"/> <concept> <code value="Milestone"/> <display value="Milestone status"/> <definition value="One of a set of milestone events that once they have occurred remain true thereafter. For example once a subject has reached the "Signed Informed Consent" milestone they achieve a status of "Consented" that will be true thereafter, even when they have left the study. For a subject a number of these states can be simulataneously true and should be recorded."/> </concept> <concept> <code value="Enrollment"/> <display value="Enrollment status"/> <definition value="This is a status that can only have a single value at a given point in time. The subject is either on-study or off-study."/> </concept> </CodeSystem>