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Lack of accuracy of the international classification of disease, ninth (ICD-9) codes in identifying patients with encephalitis

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Correspondence to Mohammed Samannodi.

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Samannodi, M., Hansen, M. & Hasbun, R. Lack of accuracy of the international classification of disease, ninth (ICD-9) codes in identifying patients with encephalitis. J Neurol 266, 1034–1035 (2019). https://doi.org/10.1007/s00415-019-09229-9

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  • DOI: https://doi.org/10.1007/s00415-019-09229-9