Official websites use. Share sensitive information only on official, secure websites. Allergy and hypersensitivity, originally perceived as rare and secondary disorders, are one of the fastest growing conditions worldwide, but not adequately tracked in international information systems, such as the International Classification of Diseases ICD. Having allergic and hypersensitivity conditions classification able to capture conditions in health international information systems in a realistic manner is crucial to the identification of potential problems, and in a wider system, can identify contextually specific service deficiencies and provide the impetus for changes.
Since , an international collaboration of Allergy Academies has spent tremendous efforts to have a better and updated classification of allergies in the forthcoming International Classification of Diseases ICD version, by providing scientific and technical evidences for the need for changes. The following bilateral discussions with the representatives of the ICD revision, a simplification process was carried out.
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The new parented "Allergic and hypersensitivity conditions" section has been built under the "Disorders of the Immune System" chapter through the international collaboration of Allergy Academies and upon ICD WHO representatives support.
The classification of allergic and hypersensitivity conditions has been updated through the ICD revision and will allow the aggregation of reliable data to perform positive quality-improvements in health care systems worldwide. Keywords: Allergic disorders, allergy, hypersensitivity, classification, international classification of diseases, world health organization. Allergy and hypersensitivity, originally perceived as rare and secondary disorders, are one of the fastest growing conditions worldwide becoming a major public health problem, and numerous reports over the last 20 years have been indicating that the world is dealing with an allergy epidemic.
They can be expressed in many different organs, with variability of severity degrees, and in any age group, having a significant impact on the quality of life of patients and their families. As an example, in , we confirmed the under notification of anaphylaxis deaths due to difficult coding under the ICD using the Brazilian national database, 3 which impacts the lack of epidemiological data to support public and private decision-making to offer appropriate treatment, such as auto-injectable adrenaline, still missing in some countries.
