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Chapters ENES DE

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

XA0WT1 category

Posterior intercostal artery

Also indexed as

Posterior intercostal artery

Nearby in Artery of thorax

XA4TH8Branches to diaphragm of the musculophrenic artery
XA1PX4Branches to lower part of the pericardium of the musculophrenic artery
XA2KA0Brachiocephalic trunk
XA3M86Deep branch of dorsal scapular artery
XA7KK5Intercostal artery
XA0T62Intercostal branches of the musculophrenic artery
XA9S49Internal thoracic artery
XA3DE1Lateral thoracic artery

PreviousXA1190 — Perforating branches of the internal thoracic artery NextXA14K0 — Six anterior intercostal branches of the internal thoracic artery

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
XA0T62Intercostal branches of the musculophrenic artery
XA9S49Internal thoracic artery
XA3DE1Lateral thoracic artery
XA1EE3Lower (3rd to 11th) posterior intercostal artery
XA0QG6Lower branches of the space anastomoses of the six anterior intercostal branches of the internal thoracic artery
XA7EC2Musculophrenic artery
XA1190Perforating branches of the internal thoracic artery
XA0WT1Posterior intercostal artery
XA14K0Six anterior intercostal branches of the internal thoracic artery
XA6UQ6Sternal branches of the internal thoracic artery
XA3311Subcostal artery
XA9J15Superior phrenic artery
XA8M67Superior thoracic artery
XA7TT5Supreme intercostal artery
XA79X5Thoracoacromial artery
10 more

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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