EventStatus

• Include these codes as defined in http://hl7.org/fhir/event-status

  Code	Display
  preparation	Preparation	The core event has not started yet, but some staging activities have begun (e.g. surgical suite preparation). Preparation stages may be tracked for billing purposes.
  completed	Completed	The event has now concluded
  aborted	Aborted	The event was prior to the full completion of the intended actions