12Diseases of the respiratory system
Certain lower respiratory tract diseases
CA21Emphysema
CA21.1
category
Panlobular emphysema
Definition Panlobular (panacinar) emphysema destroys the entire alveolus uniformly and is predominant in the lower half of the lungs. Panlobular emphysema generally is observed in patients with homozygous alpha1-antitrypsin deficiency.
Also indexed as
Panacinar emphysema Panlobular emphysema
International Classification of Diseases, Eleventh Revision (ICD-11), World Health Organization (WHO) 2019/2021, https://icd.who.int/browse11. Licensed under Creative Commons Attribution-NoDerivatives 3.0 IGO (CC BY-ND 3.0 IGO).
Release 2026-01.
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This page reproduces WHO classification content for reference. It is not
medical advice and must not be used to diagnose or treat. For coding
decisions, consult the official release and your national coding guidelines.
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