SDEC APPDEL (3551)    REMOTE PROCEDURE (8994)

Pointer to SDEC APPOINTMENT file 409.84.

Enterprise Appointment Scheduling Tracking Number associated to an 
appointment.

Appointment Status valid values:
  C=CANCELLED BY CLINIC
PC=CANCELLED BY PATIENT

pointer to CANCELLATION REASON file 409.2

Text representing user note

Cancel Date/Time in external format.
Defaults to NOW.

User that cancelled appointment
pointer to NEW PERSON file
defaults to current user

Flag to be passed in by external applications to determine whether a
cancelled appointment should be re-opened.
 SDF=1 or null (default) - Appointment reopened
 SDF=2                   - Appointment not reopened.
                           Appointment closed with disposition of
                           "REMOVED/EXTERNAL APP"

A list of cancellation comment hash tags separated by ^ (e.g. 
FIRST^SECOND).  Hash tags are added to the appointment comment field and 
to the CANCELLATION REMARKS Field (#17) in the appointment multiple of the
PATIENT File (#2).  Only first 160 characters will be filed into the 
PATIENT File.

This is the new PID parameter which is only allowed when using "Cancel by 
Patient".