CA23 Asthma

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01


Asthma is a chronic inflammatory disorder of the airways in which many cells and cellular elements play a role. It is characterised by an increased responsiveness of the trachea and bronchi to various stimuli and manifested by a widespread narrowing of the airways that change in severity either spontaneously or as a result of therapy. This leads to recurrent episodes of wheezing, breathlessness, chest tightness, and coughing, particularly at night or in the early morning.

inclusions

exclusions

sections/codes in this section (CA23-CA23)

postcoordination

Add Stem and/or Extension codes to form a cluster code which adds detail to the condition.

Has severity  - only one may be selected
Course  - only one may be selected

synonyms

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