11Diseases of the circulatory system
BC40-BC4Z block
Diseases of the myocardium or cardiac chambers
Definition This refers to diseases of a type of involuntary striated muscle found in the walls and histological foundation of the heart, with specific reference to the atrial and ventricular chambers, as well as the myocardium itself.
Nearby in Diseases of the circulatory system
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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