Commissioning Data Set Submission and Organisation Mergers

Organisations can function as independent senders of Commissioning Data Sets and have service level agreements with Acute, Community or Mental Health Organisations for the submission of this data. These agreements usually relate to clinical services that are subcontracted to that provider or where clinical services are facilitated on that site but owned by the commissioner of the agreement.

Organisation mergers do not always result in an immediate merger of IT facilities and their often disparate systems to enable a single flow of commissioning data to the Secondary Uses Service. In this case, data flows to the Secondary Uses Service for multiple sites from multiple senders must be very carefully managed in order to avoid inadvertent deletion or duplication of records in the Secondary Uses Service.

In these cases, Senders are strongly advised to only use the Net Change Update Mechanism of the Commissioning Data Set Submission Protocol as data integrity is more manageable using the Net Change process rather than the Bulk Replacement process.

CDS Net Change
When using the Net Change process, multiple data flows from different sites or systems using the same CDS INTERCHANGE SENDER IDENTITY must ensure that each Commissioning Data Set record has a properly maintained CDS UNIQUE IDENTIFIER.

If not, these submissions will most likely conflict and overwrite each other causing substantial data corruption in the Secondary Uses Service data base. It is recommended that wherever possible, individual sites or systems use a uniquely allocated CDS INTERCHANGE SENDER IDENTITY for submissions to the Secondary Uses Service.

CDS Bulk Replacement
When using the Bulk Replacement process, a sender must not make multiple data flows from different Organisation Sites or systems using the same CDS SENDER IDENTITY and provider site code or the interchanges will conflict and overwrite each other causing substantial data corruption in the Secondary Uses Service data base.

To prevent this happening, individual sites and systems within an organisation must use a unique CDS SENDER IDENTITY and provider site code combination for Commissioning Data Set submissions to the Secondary Uses Service. This can be achieved by utilising Provider and Site Codes already registered with the Organisation Data Service which will then differentiate multiple Commissioning Data Set flows for the same provider by using the last 2 digits of the ORGANISATION CODE.

End Of Year Considerations
It may be necessary to avoid changes to systems processes for multiple flows at the end of the financial year, and retain the ability to use the previously used Commissioning Data Set Submission Protocol for data submitted earlier in the year, until the organisation has completed any refresh of data for that year. This would then ensure a complete set of commissioning data for that year for the National Tariff Payment System and Hospital Episode Statistics purposes.

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