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Chapters ENES DE

XExtension Codes
Anatomy and topography
Functional anatomy
Circulatory system
Lymphatic system
XA52C3Lymphatic system of the thorax

XA4J10 category

Posterior lymph sac

Also indexed as

Posterior lymph sac

Nearby in Lymphatic system of the thorax

XA94Z9Bronchomediastinal trunk
XA7474Cisterna chyli lymph sac
XA1VK9Deep lymphatic vessel of the thoracic wall
XA9D98Intestinal lymphatic trunk
XA8JF4Jugular lymph sac
XA1SQ2Lymph Sac
XA8YM1Lymphatic vessel of the diaphragm
XA4RC7Lymphatic vessel of the breast

PreviousXA3SY2 — Lymphatic vessel of the thoracic viscera NextXA8MX8 — Retroperitoneal lymph sac

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
XA10P2Lymphatic system of the head and neck
XA23Z9Lymphatic system of the upper extremity
XA52C3Lymphatic system of the thorax
XA81G2Lymphatic system of the abdomen
XA6709Lymphatic system of the pelvis and perineum
XA0Z86Lymphatic system of the lower extremity
XA94Z9Bronchomediastinal trunk
XA7474Cisterna chyli lymph sac
XA1VK9Deep lymphatic vessel of the thoracic wall
XA9D98Intestinal lymphatic trunk
XA8JF4Jugular lymph sac
XA1SQ2Lymph Sac
XA8YM1Lymphatic vessel of the diaphragm
XA4RC7Lymphatic vessel of the breast
XA3SY2Lymphatic vessel of the thoracic viscera
XA4J10Posterior lymph sac
XA8MX8Retroperitoneal lymph sac
XA3ER1Right lymphatic duct
XA3TX9Superficial lymphatic vessel of the thoracic wall
XA8A74Thoracic duct

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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