ICD-11 MMS

12 Diseases of the respiratory system

Respiratory diseases principally affecting the lung interstitium  (CB00-CB0Z)

CB04 Primary interstitial lung diseases specific to infancy or childhood

CB04.6 Chronic pneumonitis of infancy

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


Chronic pneumonitis of infancy is a rare paediatric form of interstitial lung disease (ILD) sharing clinical and radiologic features with other forms of ILD (cough, tachypnoea, and infiltrative opacities on chest imaging) and harbouring specific histological abnormalities including diffuse thickening of alveolar septa, hyperplasia of type 2 alveolar epithelial cells (AEC), and presence of primitive mesenchymal cells within the alveolar septa.

postcoordination

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

Laterality  - only one may be selected

synonyms

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