Journal of IiME Volume 2 Issue 2 The Terminology of ME & CFS By Professor Malcolm Hooper Tabular List and is a list of codes plus the name of the condition which goes with that code. Volume II is the Code Index, which alphabetically lists all the phrases and names of conditions commonly used for a condition, together with the appropriate code. The Tabular List (Volume I) does not list everything which is in the Code Index (Volume II). Benign myalgic encephalomyelitis (ME) has been classified in the International Classification of Diseases (ICD) as a neurological disorder since 1969, when it was included in ICD-8 at Volume I: code 323: page 158 and in Volume II (the Code Index) on page 173. (ICD-8 was approved in 1965 and published in 1969). Prior to 1969, the term benign myalgic encephalomyelitis (ME) did not appear in the ICD, but non-specific states of chronic fatigue were classified with neurasthenia under Mental and Behavioural Disorders. Benign myalgic encephalomyelitis (ME) was included in ICD-9 (1975) and is listed in Volume II on page 182. The term "Chronic Fatigue Syndrome" was not introduced by Holmes et al until 1988 and therefore did not appear in the ICD until 1992, when it was listed as an alternative term for benign myalgic encephalomyelitis (ME). Another alternative term listed is Post-Viral Fatigue Syndrome. In ICD-10 (1992), benign myalgic encephalomyelitis (ME) continues to be listed under Disorders of the Nervous System at G93.3, with the term Syndrome, Fatigue, Chronic, as one of the descriptive terms for the disorder. By contrast, in ICD-10 (1992), neurasthenia and other non-specific syndromes of on-going or chronic "fatigue" are listed at section F48.0 Invest in ME (Charity Nr. 1114035) International ME/CFS Conference 2009 29th May 2009 London www.investinme.org Page 45/74 (Volume I, page 351). Non-specific states of chronic fatigue are classified as Mental and Behavioural Disorders, subtitled "Other Neurotic Disorders". Note: benign myalgic encephalomyelitis (ME/CFS/PVFS) is expressly excluded by the WHO from this section. Note also that the WHO has confirmed in writing that - "it is not permitted for the same condition to be classified to more than one rubric as this would mean that the individual categories and subcategories were no longer mutually exclusive". Therefore, ME/CFS cannot be known as or included with neurasthenia or with any mental or behavioural disorder. Professor Malcolm Hooper From http://www.investinme.org/Article%20010Encephalopathy.htm www.investinme.org

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