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The classification of neurological disorders in the 11th revision of the International Classification of Diseases (ICD-11)
  1. Sanjeev Rajakulendran1,
  2. Tarun Dua2,
  3. Melissa Harper2,
  4. Raad Shakir1
  1. 1Imperial College NHS Healthcare Trust, Charing Cross Hospital, London, UK
  2. 2Department of Mental Health and Substance Abuse, World Health Organization, Geneva, Switzerland
  1. Correspondence to Dr Raad Shakir, Imperial College NHS Healthcare Trust, Charing Cross Hospital, London W8 8RP, UK; Raad.Shakir{at}

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Bringing the ICD into the 21st Century. How will ICD-11 reflect the evolution in our understanding of neurological disease over the past twenty years?

The WHO, the body responsible for the International Classification of Diseases (ICD) is currently preparing the 11th revision (ICD-11) which is scheduled for approval by the World Health Assembly in 2015. Among its many uses, the ICD is the premier tool for clinical coding and capturing morbidity and mortality statistics worldwide. As the revision process passes the halfway stage, it is timely to consider how the neurology chapter is shaping up. We outline the major changes in the classification of neurological disease expected in ICD-11, how these have been influenced by the significant progress in clinical neuroscience over the past two decades and consider the impact the changes will have on users of ICD-11.

WHO has constituted Topic Advisory Groups to assist in revision of specific chapters. The neurology Topic Advisory Group consists of an international group of neurologists, neurosurgeons and members of allied specialties and societies. Their remit is to assist and advise WHO to ensure that the latest revision reflects the progress in our understanding of neurological disease in a manner that is coherent, comprehensive and intuitive. In addition, WHO is ensuring the …

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  • Contributors SR, MH, TD and RS all contributed to the drafting of the manuscript and in critically revising it.

  • Competing interests RS is the Chair of the Topic Advisory Group (TAG) for the revision of the chapter on diseases of the nervous system for ICD-11 and SR is a member of the working group. Their input to this article represents their own views and not the official views of the TAG or the WHO. TD and MH are employed by WHO and as coauthors, they alone are responsible for the views expressed in this article and they do not necessarily represent the decisions, policy or views of the WHO.

  • Provenance and peer review Commissioned; internally peer reviewed.