ICD-11 MMS

12 Diseases of the respiratory system

Certain lower respiratory tract diseases  (CA20-CA2Z)

CA22 Chronic obstructive pulmonary disease

CA22.0 Chronic obstructive pulmonary disease with acute exacerbation, unspecified

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


An exacerbation of COPD is an acute event characterised by a worsening of the patient’s respiratory symptoms that is beyond normal day-to-day variations and leads to a change in medication. Exacerbations of COPD can be precipitated by several factors. The most common causes appear to be viral upper respiratory tract infections and infection of the tracheobronchial tree. The diagnosis of an exacerbation relies exclusively on the clinical presentation of the patient complaining of an acute change of symptoms (baseline dyspnoea, cough, and/or sputum production) that is beyond normal day-to-day variation.

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

synonyms

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