M: Performer HCP updates appointment

The following sequence diagram shows the messaging flow when the Performer HCP updates an appointment.

See Participants for more information.

Element and Value

Refer to Primary Flow for DocumentReference, HealthcareService, Location, Patient, Practitioner, and PractitionerRole elements.

Step 1: Performer HCP notifies CAT of appointment update

See Step 15 in Primary Flow message flow with changes as below:

Element	Value
MessageHeader.eventCoding	"notify-update-process-request"
MessageHeader.reason	"appointment-updated"

Step 3: CAT notifies Requester HCP of appointment update

See Step 17 in Primary Flow message flow with changes as below:

Element	Value
MessageHeader.reason	"appointment-updated"

Step 4: CAT notifies Requester HCP of update to referral record

See Step 18 of Primary Flow message flow with changes as below:

Element	Value
MessageHeader.reason	"appointment-updated"