International classification of diseases

'International Classification of Diseases (ICD) is a system of classification of diseases, symptoms, causes of diseases and other terms from the field of medicine:
 * full name – International Statistical Classification of Diseases and Associated Health Problems,
 * in the original - International Classification of Diseases (ICD).

History of creation

 * Originally, this was the International List of Causes of Death (Bertillon Classification), which was adopted at the Congress of the International Statistical Institute in 1893. The need for adjustments based on advances in medical science was addressed by successive revisions that came approximately every ten years (decennial revisions).
 * Since 1948 (6th revision) there has been a merger of the classification of causes of death and, until then, supplementary lists. In the same year, the newly formed World Health Organization (World Health Organization - WHO) took over the supervision of the administration and development of the ICD.
 * Since 1994, the current 10th revision of the International Classification of Diseases (ICD-10) has been used with regular annual (minor) and three-year (major) corrections.
 * On 6/18/2018, the World Health Organization (WHO) issued the 11th revision - ICD-11, ICD-11. Member states are currently preparing for implementation. It will be presented at the 144th session of the Executive Board in January 2019 and at the 72nd World Health Assembly in May 2019. Once approved, full use is planned from 1 January 2022.

Use in the Czech Republic
In the Czech Republic, MKN-10 is commonly used for coding the causes of death on the Death Examination List and in other statistical information systems. It is also commonly used in medical records.

Breakdown
ICD-10 contains 22 chapters with a hierarchical structure up to three-digit codes that determine individual diseases (or other terms), the fourth code place defines the term more closely. In some cases, the fifth place of the code can also be used, typically e.g. for codes starting with the letter M (Diseases of the Musculoskeletal System), where it more closely determines the location of the disability.

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