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Histopathology
Thymic epithelial neoplasms

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Thymic epithelial neoplasms, benign

3 subordinate codes

XH9QW0Microscopic thymoma
XH4341Thymoma, benign
XH0707Ectopic hamartomatous thymoma

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Thymic epithelial neoplasms, malignant
Thymic epithelial neoplasms, uncertain whether benign or malignant

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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
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Temporality
Aetiology
Topology Scale Value
Anatomy and topography
Histopathology
Dimensions of injury
Dimensions of external causes
Consciousness
Substances
5 more
Soft tissue tumours and sarcomas, NOS
Specialized gonadal neoplasms
Squamous cell neoplasms
Synovial-like neoplasms
Thymic epithelial neoplasms
Transitional cell papillomas and carcinomas
Trophoblastic neoplasms
Neoplasms, NOS
Myelodysplastic syndromes
41 more
Thymic epithelial neoplasms, benign
Thymic epithelial neoplasms, malignant
Thymic epithelial neoplasms, uncertain whether benign or malignant
XH9QW0Microscopic thymoma
XH4341Thymoma, benign
XH0707Ectopic hamartomatous thymoma

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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