Name Flags Card. Type Description & Constraints doco
. . ResearchSubject TU DomainResource Physical entity which is the primary unit of interest in the study

Elements defined in Ancestors: id, meta, implicitRules, language, text, contained, extension, modifierExtension
. . . identifier Σ 0..* Identifier Business Identifier for research subject in a study

. . . status ?! Σ 1..1 code draft | active | retired | unknown
PublicationStatus ( Required)
. . . progress 0..* BackboneElement Subject status

. . . . type 0..1 CodeableConcept state | milestone
ResearchSubjectStateType ( Example)
. . . . subjectState 0..1 CodeableConcept candidate | eligible | follow-up | ineligible | not-registered | off-study | on-study | on-study-intervention | on-study-observation | pending-on-study | potential-candidate | screening | withdrawn
ResearchSubjectState ( Required)
. . . . milestone 0..1 CodeableConcept SignedUp | Screened | Randomized
ResearchSubjectMilestone ( Example)
. . . . reason 0..1 CodeableConcept State change reason
StateChangeReason ( Example)
. . . . startDate 0..1 dateTime State change date
. . . . endDate 0..1 dateTime State change date
. . . period Σ 0..1 Period Start and end of participation
. . . study Σ 1..1 Reference( ResearchStudy) Study subject is part of
. . . subject Σ 1..1 Reference( Patient | Group | Specimen | Device | Medication | Substance | BiologicallyDerivedProduct) Who or what is part of study
. . . assignedArm 0..1 string What path should be followed
. . . actualArm 0..1 string What path was followed
. . . consent 0..1 Reference( Consent) Agreement to participate in study

doco Documentation for this format