NameFlagsCard.TypeDescription & Constraintsdoco
.. Encounter 0..* Encounter An interaction during which services are provided to the patient
... status 1..1 code planned | arrived | triaged | in-progress | onleave | finished | cancelled +
Binding: EncounterStatus (required)
... class 1..1 Coding Classification of patient encounter
Binding: Encounter Class Value Set (required)
... subject 1..1 Reference(RareLink IPS Patient) The patient or group present at the encounter
.... reference S 0..1 string Literal reference, Relative, internal or absolute URL
.... identifier S 0..1 Identifier Logical reference, when literal reference is not known

doco Documentation for this format