Choose and Book Compliance Document (PDF, 850Kb)

4.4.3 HL7 Duplicate EliminationIt is important to note that Choose and Book does not implement HL7 duplicate elimination.If the HL7 message interaction received is a duplicate of one previously received thenChoose and Book will process it again. In most instances this should not cause a problemas Choose and Book will simply repost a Referral Letter, cancel a cancelled UBRN, cancel acancelled USRN, or flag a DNA UBRN as DNA. Specifically, when Choose and Bookreceives a duplicate:• Request Service – PRPA_IN010000UKnn – Choose and Book will generate anew UBRN and return it in a new Confirm Service Request –PRPA_IN020000UKnn• Application Acknowledgement – MCCI_IN010000UKnn received in response toPRPA_IN020000UKnn – Choose and Book will ignore it.• Confirm Appointment Confirmation – PRSC_IN050000UKnn – Choose andBook will return an Application Acknowledgement with a success code.• Reject Appointment Confirmation – PRSC_IN060000UKnn – Choose and Bookwill return an error in the Application Acknowledgement.• Confirm Appointment Cancellation – PRSC_IN140000UKnn – Choose and Bookwill return an error in the Application Acknowledgement.• Reject Appointment Cancellation – PRSC_IN150000UKnn – Choose and Bookwill return an Application Acknowledgement with a success code.• Respond Available Slots – PRSC_IN090000UKnn – Choose and Book willreturn an Application Acknowledgement with a success code.• Notify Slot Cancellation – PRSC_IN100000UKnn – Choose and Book willprocess it and send an Application Acknowledgement with success code.• Notify Appointment Cancellation – PRSC_IN130000UKnn – Choose and Bookwill process it and send an Application Acknowledgement with a failure code.• Notify Appointment Did Not Attend – PRSC_IN110000UKnn – If Choose andBook receives a duplicate Notify DNA it sends an error in the ApplicationAcknowledgment of "Invalid UBRN".• Notify Patient Referral – PRPA_IN030000UKnn – Choose and Book will postthe referral as a replacement and send an Application Acknowledgement. If thereferral has already been received and the “freeze” date is past then an error issent in the Application Acknowledgement.4.4.4 TimeoutsWhen a Choose and Book user is waiting for a message interaction to complete, Chooseand Book implements a system-wide application timeout which is currently set to twominutes. The consequence of this is that the Choose and Book user will never wait longerChoose and BookAtos Origin - Commercial In ConfidenceChoose and Book ComplianceVersion: 8 (final)Reference EBS-AN\BA\BA011 9 May 2007Page 31