<status value="active"/><experimental value="false"/><date value="2021-01-05T10:01:24+11:00"/><publisher value="HL7 (FHIR Project)"/><contact><telecom><system value="url"/><value value="http://hl7.org/fhir"/></telecom><telecom><system value="email"/><value value="fhir@lists.hl7.org"/></telecom></contact><description value="The free/busy status of an appointment."/><jurisdiction><coding><system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/><code value="001"/><display value="World"/></coding></jurisdiction><caseSensitive value="true"/><valueSet value="http://hl7.org/fhir/ValueSet/appointmentstatus"/><content value="complete"/><concept><code value="proposed"/><display value="Proposed"/><definition value="None of the participant(s) have finalized their acceptance of the appointment request, and the start/end time might not be set yet."/></concept><concept><code value="pending"/><display value="Pending"/><definition value="Some or all of the participant(s) have not finalized their acceptance of the appointment request."/></concept><concept><code value="booked"/><display value="Booked"/><definition value="All participant(s) have been considered and the appointment is confirmed to go ahead at the date/times specified."/></concept><concept><code value="arrived"/><display value="Arrived"/><definition value="The patient/patients has/have arrived and is/are waiting to be seen."/></concept><concept><code value="fulfilled"/><display value="Fulfilled"/><definition value="The planning stages of the appointment are now complete, the encounter resource will exist and will track further status changes. Note that an encounter may exist before the appointment status is fulfilled for many reasons."/></concept><concept><code value="cancelled"/><display value="Cancelled"/><definition value="The appointment has been cancelled."/></concept><concept><code value="noshow"/><display value="No Show"/><definition value="Some or all of the participant(s) have not/did not appear for the appointment (usually the patient)."/></concept><concept><code value="entered-in-error"/><display value="Entered in error"/><definition value="This instance should not have been part of this patient's medical record."/></concept><concept><code value="checked-in"/><display value="Checked In"/><definition value="When checked in, all pre-encounter administrative work is complete, and the encounter may begin. (where multiple patients are involved, they are all present)."/></concept><concept><code value="waitlist"/><display value="Waitlisted"/><definition value="The appointment has been placed on a waitlist, to be scheduled/confirmed in the future when a slot/service is available. A specific time might or might not be pre-allocated."/></concept></CodeSystem>

This code system http://hl7.org/fhir/appointmentstatus defines the following codes:

Code	Display	Definition
proposed	Proposed	None of the participant(s) have finalized their acceptance of the appointment request, and the start/end time might not be set yet.
pending	Pending	Some or all of the participant(s) have not finalized their acceptance of the appointment request.
booked	Booked	All participant(s) have been considered and the appointment is confirmed to go ahead at the date/times specified.
arrived	Arrived	The patient/patients has/have arrived and is/are waiting to be seen.
fulfilled	Fulfilled	The planning stages of the appointment are now complete, the encounter resource will exist and will track further status changes. Note that an encounter may exist before the appointment status is fulfilled for many reasons.
cancelled	Cancelled	The appointment has been cancelled.
noshow	No Show	Some or all of the participant(s) have not/did not appear for the appointment (usually the patient).
entered-in-error	Entered in error	This instance should not have been part of this patient's medical record.
checked-in	Checked In	When checked in, all pre-encounter administrative work is complete, and the encounter may begin. (where multiple patients are involved, they are all present).
waitlist	Waitlisted	The appointment has been placed on a waitlist, to be scheduled/confirmed in the future when a slot/service is available. A specific time might or might not be pre-allocated.