Difference Between Encounter and Appointment Dates

What is the difference between:

  • Encounter.Period.Start and Appointment.Start
  • Encounter.Period.End and Appointment.End

If I want to represent the admission and discharge dates for a patient, do I use the start and end dates of Encounter, or those of Appointment ?

Appointment represents what was scheduled, Encounter represents what happened, or in some situations, for end date, what’s predicted once the Encounter has actually started.

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