The neurological adaptation of ICD-10 (ICD-10 NA).

The systematic categorization of disorders, provided by the World Health Organization in the "International Statistical Classification of Diseases, Injuries and Causes of Death" (ICD) is an essential tool for epidemiological and clinical research, for the indexing of national and international statistics of morbidity and mortality, to monitor health services and to formulate public health policy. The Tenth Revision was adopted in 1990, and the classification was published in 1992'.