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Data for Best Practice Tariff

Since 2014, NJR data has been used for determining NHS provider compliance with the Best Practice Tariff for primary hip and knee replacements in England. NJR Compliance measures the proportion of cases reported to NJR, compared to cases reported to other sources of comparative data, such as HES. This provides a basis for NJR to report on the completeness of its data. NJR Compliance is also used as part of the Best Practice Tariff calculation for hip and knee surgery.

Outcourcing Cases to another provider - advice on codes to use

Where cases are outsourced to another provider, but reported through HES by the originally commissioned Trust, some procedures may be reported as ‘missing’ from the NJR. This is because the corresponding NJR record will have been submitted by the outsourced provider and the HES record does not accurately record the identity of that outsourced provider. To prevent such cases being reported as ‘missing’ from the NJR, it is essential to complete the ORGANISATION SITE IDENTIFIER OF TREATMENT code field in SUS with the NACS code (formerly the ODS code) of the organisation to which the procedure has been outsourced. Completion of this field enables NJR to exclude the record from the data it expects to be recorded for the Trust, whilst also enabling NJR to ensure that the corresponding record has been submitted by the outsourced provider.

Another important reason to complete the SITETREP field in SUS with the appropriate ORGANISATION SITE IDENTIFIER OF TREATMENT code whenever you sub-contract qualifying arthroplasty procedures to other hospitals, is that it ensures that any subcontracting activity is not only picked up but also that the subscription cost for this particular procedure won’t be attributed the Trust. We are unable to track any movements in activity regarding this without this field being completed. It also ensures NJR compliance information is accurate in relation to achieving Best Practice Tariff.  

Any queries should be directed to the NJR Service Desk using the following contact details:

Telephone:    0845 345 9991



Best Practice Tariff Data

The data below relate to a twelve month period and is updated quarterly: April, July, October and December.

October 2021 (data run on 15 September 2021)
July 2021 (data run on 15 June 2021)
April 2021 (data run on 15 March 2021)
January 2021 (data run on 9 December 2020)
October 2020 (data run on 15 September 2020)
July 2020 (data run on 23 June 2020)
April 2020  (data run again on 20 March 2020)

The April BPT NHS file was created with no compliance figures due to missing Hospital Episodes Data.

January 2020 (data run on 16 December 2019)
October 2019  (data run again on 29 October 2019)

The September BPT NHS file was created with no compliance figures due to missing Hospital Episodes Data. Following receipt of this data the NHS file has now been re-run. For completeness the Independent Sector report has also be re-run.

July 2019 (data run on 17 June 2019)
April 2019 (data run on 21 March 2019)
December 2018 (data run on 02 January 2019)
October 2018 (data run on 17 September 2018)
July 2018 (data run on 18 June 2018)
April 2018 (data run on 15 March 2018)
January 2018 (data run on 18 December 2017 - NHS Trust data re-run on 5th March 2018)
 October 2017 (data run on 25 September 2017)
Please note: due to the lack of monthly HES data there is no compliance for NHS trusts in this quarter’s file.
July 2017 (data run on 15 June 2017)
April 2017 (data run on 15 March 2017)
January 2017 (data run on 15 December 2016)
Special Report for FY16/17
October 2016 (data run on 15 September 2016)
July 2016 (data run on 16 June 2016)
April 2015 (data run 17 March 2015)
January 2015 (data run 17 December 2014)
October 2014 (data run 15 September 2014)
July 2014 (data run 13 June 2014)
April 2014 (data run 21 Feb 2014)
Payment of the BPT for primary hip and knee replacement surgery is conditional on criteria linked to data collected through the National Joint Registry as follows; a minimum NJR compliance rate of 85% and an NJR ‘unknown’ consent rate below 15% (where patient consent was not recorded as a ‘yes’ or ‘no)’.
Further information
  • Further details are available in the 2014/15 National Tariff Payment System document from

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