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Chapters ENES DE

XExtension Codes
Anatomy and topography
Functional anatomy
Circulatory system
XA4PM9Cardiovascular system
XA5999Arteries
XA9UT1Artery of thorax
XA8K52Aorta of thorax

XA5H34 category

Descending aorta

Also indexed as

Descending aorta

Nearby in Aorta of thorax

XA75Z8Arch of the aorta
XA01A6Ascending aorta

PreviousXA01A6 — Ascending aorta

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
06Mental, behavioural or neurodevelopmental disorders
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
12Diseases of the respiratory system
13Diseases of the digestive system
14Diseases of the skin
15Diseases of the musculoskeletal system or connective tissue
16Diseases of the genitourinary system
17Conditions related to sexual health
18Pregnancy, childbirth or the puerperium
19Certain conditions originating in the perinatal period
20Developmental anomalies
21Symptoms, signs or clinical findings, not elsewhere classified
22Injury, poisoning or certain other consequences of external causes
23External causes of morbidity or mortality
24Factors influencing health status or contact with health services
25Codes for special purposes
26Supplementary Chapter Traditional Medicine Conditions
VSupplementary section for functioning assessment
XExtension Codes
Severity Scale Value
Temporality
Aetiology
Topology Scale Value
Anatomy and topography
Histopathology
Dimensions of injury
Dimensions of external causes
Consciousness
5 more
Functional anatomy
Surface topography
Partonomic view
Endocrine system
Nervous system
Visual system
Auditory system
Circulatory system
Respiratory system
Digestive system
Integumentary system
Musculoskeletal system
3 more
XA4PM9Cardiovascular system
Lymphatic system
XA5999Arteries
XA5J49Veins
XA21T7Blood Vessels
XA6H07Heart
XA4TS7Artery of head, face, and neck
XA9UT1Artery of thorax
XA9JK8Artery of abdomen
XA4GP1Artery of pelvis
XA81N7Artery of upper extremity
XA8DW5Artery of lower extremity
XA6Y34Aorta
XA9J15Superior phrenic artery
XA8M67Superior thoracic artery
XA7TT5Supreme intercostal artery
XA79X5Thoracoacromial artery
XA99C2Upper branches of the six anterior intercostal branches of the internal thoracic artery
XA8ES3Oesophageal artery
XA8K52Aorta of thorax
XA6E07Bronchial artery
XA5D68Subclavian artery
16 more
XA75Z8Arch of the aorta
XA01A6Ascending aorta
XA5H34Descending aorta

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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