Allergic or hypersensitivity conditions

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2022-02


Allergy is a hypersensitivity reaction initiated by a proven immunologic mechanisms. Hypersensitivity is defined as conditions clinically resembling allergy that cause objectively reproducible symptoms or signs, initiated by exposure to a defined stimulus at a dose tolerated by normal subjects.

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sections/codes in this section (4A80-4A8Z)

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