21Symptoms, signs or clinical findings, not elsewhere classified
Symptoms, signs or clinical findings of the respiratory system
Symptoms or signs involving the respiratory system
MD11Abnormalities of breathing
MD11.8Mouth breathing
MD11.80
category
Stertor
Definition Stertor is a heavy snoring or gasping sound on inspiration occurring in coma or deep sleep that may be caused by partial obstruction of airway, choanal stenosis, enlarged tonsils and/or adenoids, and redundant upper airway tissues.
Nearby in Mouth breathing
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.
View this entity in the official WHO ICD-11 browser .
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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