12Diseases of the respiratory system Upper respiratory tract disorders CA09Chronic rhinitis, nasopharyngitis or pharyngitis
CA09.1
category
Chronic nasopharyngitis
Definition Persistent or recurrent inflammation of the top portion of the pharynx situated posterior to the nose and superior to the soft palate, usually including its mucosa, related lymphoid structure, and glands.
Also indexed as
Chronic nasopharyngitis Nasopharyngeal atrophy Nasopharyngeal catarrh chronic rhinopharyngitis
Nearby in Chronic rhinitis, nasopharyngitis or pharyngitis
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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