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Chapters ENES DE

XExtension Codes
Anatomy and topography
Functional anatomy
Circulatory system
XA4PM9Cardiovascular system
XA6H07Heart

XA79Z5 category

Cardiac electrical conducting system

3 subordinate codes

XA1UE3Sinoatrial node
XA4359Atrioventricular node
XA7J11Bundle of His

Also indexed as

Cardiac electrical conducting system

Nearby in Heart

XA6548Left atrium
XA78X5Interatrial septum
XA6T92Right atrium
XA8FJ7Left ventricle
XA5651Interventricular septum
XA9HH8Right ventricle
XA3B03Coronary arteries
XA9FK9Cardiac veins

PreviousXA6CK2 — Heart wall NextXA0QB6 — Heart valve

Browse ICD-11

01Certain infectious or parasitic diseases
02Neoplasms
03Diseases of the blood or blood-forming organs
04Diseases of the immune system
05Endocrine, nutritional or metabolic diseases
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07Sleep-wake disorders
08Diseases of the nervous system
09Diseases of the visual system
10Diseases of the ear or mastoid process
11Diseases of the circulatory system
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14Diseases of the skin
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20Developmental anomalies
21Symptoms, signs or clinical findings, not elsewhere classified
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26Supplementary Chapter Traditional Medicine Conditions
VSupplementary section for functioning assessment
XExtension Codes
Severity Scale Value
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Anatomy and topography
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Dimensions of external causes
Consciousness
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Functional anatomy
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Partonomic view
Endocrine system
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3 more
XA4PM9Cardiovascular system
Lymphatic system
XA5999Arteries
XA5J49Veins
XA21T7Blood Vessels
XA6H07Heart
XA6548Left atrium
XA78X5Interatrial septum
XA6T92Right atrium
XA8FJ7Left ventricle
XA5651Interventricular septum
XA9HH8Right ventricle
XA3B03Coronary arteries
XA9FK9Cardiac veins
XA10E0Chamber of the heart
XA3113Connective and other soft tissue of heart
XA6CK2Heart wall
XA79Z5Cardiac electrical conducting system
XA0QB6Heart valve
XA8SK6Myocardium
XA1UE3Sinoatrial node
XA4359Atrioventricular node
XA7J11Bundle of His

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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