Application of the International Classification of Diseases to Neurology: ICD-NA Second Edition

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World Health Organization
World Health Organization, 1997 - Medical - 588 pages
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Gives specialists in the clinical neurosciences a detailed and authoritative instrument for coding virtually all recognized neurological conditions. Both neurological diseases and neurological manifestations of general diseases and injuries are included in this comprehensive coding tool. The volume is part of a growing family of specialty-based adaptations of ICD-10 which retain the "core" codes of the parent classification while providing extended detail at the fifth character and beyond. Now in its second edition, ICD-NA has been revised to reflect current clinical concepts in the neurosciences as well as the new coding system introduced with ICD-10. The classification was finalized following extensive consultation with numerous professional organizations and international experts, thus ensuring the representation of as many viewpoints as are practical and consistent.

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Page 21 - Behavioural syndromes associated with physiological disturbances and physical factors. F60-F69 Disorders of adult personality and behaviour. F70-F79 Mental retardation. F80-F89 Disorders of psychological development. F90-F98 Behavioural and emotional disorders with onset usually occurring in childhood and adolescence.
Page 130 - ... syndrome, not induced by alcohol and other psychoactive substances F05 Delirium, not induced by alcohol and other psychoactive substances...
Page 132 - Harmful Use: A pattern of psychoactive substance use that is causing damage to health. The damage may be physical (as in cases of hepatitis from the self-administration of injected drugs) or mental (eg, episodes of depressive disorder secondary to heavy consumption of alcohol).
Page 153 - The disorders included in this section have in common: (a) onset invariably during infancy or childhood; (b) impairment or delay in development of functions that are strongly related to biological maturation of the central nervous system; and (c) a steady course without remissions and relapses. In most cases, the functions affected include language, visuo-spatial skills, and motor coordination. Usually, the delay or impairment has been present from as early as it could be detected reliably and will...
Page 127 - Organic amnesic syndrome, not induced by alcohol and other psychoactive substances A syndrome of prominent impairment of recent and remote memory while immediate recall is preserved, with reduced ability to learn new material and disorientation in time. Confabulation may be a marked feature, but perception and other cognitive functions, including the intellect, are usually intact. The prognosis depends on the course of the underlying lesion.
Page 148 - The mental fatiguability is typically described as an unpleasant intrusion of distracting associations or recollections, difficulty in concentrating, and generally inefficient thinking. In the other type, the emphasis is on feelings of bodily or physical weakness and exhaustion after only minimal effort, accompanied by a feeling of muscular aches and pains and inability to relax. In both types a variety of other unpleasant physical feelings is common, such as dizziness, tension headaches, and feelings...
Page 133 - A cluster of behavioural, cognitive and physiological phenomena that develop after repeated substance use and that typically include a strong desire to take the drug, difficulties in controlling its use, persisting in its use despite harmful consequences, a higher priority given to drug use than to other activities and obligations, increased tolerance, and sometimes a physical withdrawal state.
Page 126 - ... in the absence of a concurrent illness or condition other than HIV infection that could explain the findings (eg, cancer, tuberculosis, cryptosporidiosis.
Page 137 - A disorder characterized by a persistent mild elevation of mood, increased energy and activity, and usually marked feelings of well-being and both physical and mental efficiency. Increased sociability, talkativeness, over-familiarity, increased sexual energy, and a decreased need for sleep are often present but not to the extent that they lead to severe disruption of work or result in social rejection. Irritability, conceit, and boorish behaviour may take the place of the more usual euphoric sociability.
Page 131 - This section contains a wide variety of disorders that differ in severity and clinical form but that are all attributable to the use of one or more psychoactive substances, which may or may not have been medically prescribed. The third character of the code identifies the substance involved, and the fourth character specifies the clinical state. The codes should be used, as required, for each substance specified, but it should be noted that not all fourth-character codes are applicable to all substances.

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World Health Organization

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