Project objectives

HPA was engaged to review how paediatrics was handled in the Australian Refined Diagnosis Related Groups (AR-DRG), with a focus on complexity of paediatric cases. The project was conducted for the development of AR-DRG version 7.0.

National Centre for Casemix Classification

Our approach

Options to improve the classification for paediatrics were developed and tested with key stakeholders. Analysis of the National Morbidity Dataset and the National Hospital Cost Data Collection was conducted to assess the performance of the proposed options. Clinical input was sought to ensure clinical meaning of proposed changes.


Recommendations were made for refining the AR-DRG system in the short term (Version 7) and the medium term (Version 8). These included recommendations to add complications/comorbidities to the complexity splits of AR-DRGs.

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