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Opening the black box of diagnosis-related groups (DRGs): unpacking the technical remuneration structure of the Dutch DRG system

  • Sam van Herwaarden (a1), Iris Wallenburg (a2), Joris Messelink (a1) and Roland Bal (a3)
Abstract

While we know that upcoding of diagnosis-related groups (DRGs) regularly occurs, we have little knowledge of the role of the technical features of coding systems in inducing coding behaviour. This paper presents methods for investigating the financial structure of the Dutch DRG system, and more in particular the grouper software, to gain such insight. The paper describes a system for investigating the robustness of the reward structure, by simulating the response of the DRG system to small changes in individual coding. The results from these analyses are used to visualise some data on coding behaviour, and to investigate how this behaviour is affected by incentives in the technical features of the DRG system. A number of technical weaknesses in the system are also identified.

Copyright
Corresponding author
*Correspondence to: Iris Wallenburg, Erasmus School of Health Policy & Management, Erasmus Universiteit Rotterdam, iBMG, 3000 DR Rotterdam, The Netherlands. Email: wallenburg@eshpm.eur.nl
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Health Economics, Policy and Law
  • ISSN: 1744-1331
  • EISSN: 1744-134X
  • URL: /core/journals/health-economics-policy-and-law
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