On December 17, 2021, NHS Digital released HRG4+ Consultation Grouper for 2022/23. This release is used to support the NHS England and Improvement consultation process for the 2022/23 National Tariff Payment System. In general, there are significant changes in base HRG design. A total of 120 new HRGs were created, multiple HRGs were removed, and the grouping logic was updated significantly. This Consultation Grouper will be superseded by the 2022/23 Local Payment Grouper in March 2022, for use from April 01, 2022.