This value set includes codes based on the following rules:

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

  Code	Display	Definition
  in-progress	In Progress	The event is currently occurring

• Include these codes as defined in http://hl7.org/fhir/communication-not-done-reason

  Code	Display	Definition
  system-error	System Error	The communication was not done due to a system error.
  recipient-unavailable	Recipient Unavailable	The communication was not done due to the recipient being unavailable.