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
- Idiosyncratic asthma
exclusions
- wood asthma (CA70)
- asthma with chronic obstructive pulmonary disease (CA22)
- miner’s asthma (CA60.1)
- Wheezing (MD11.C)
- chronic obstructive asthma (CA22)
- chronic asthmatic (obstructive) bronchitis (CA22.1)
sections/codes in this section (CA23-CA23)
- Allergic asthma (CA23.0)
- Non-allergic asthma (CA23.1)
- Other specified forms of asthma or bronchospasm (CA23.2)
- Unspecified asthma (CA23.3)
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
- Asthma
- Idiosyncratic asthma
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