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Chapters ENES DE

XExtension Codes
Histopathology
Miscellaneous tumours
Miscellaneous tumours, malignant

XH7303 category

Dedifferentiated chordoma

Also indexed as

Dedifferentiated chordoma

Nearby in Miscellaneous tumours, malignant

XH2S71Mixed pineal tumour
XH1S48Pineal parenchymal tumour of intermediate differentiation
XH1ZH1Pineoblastoma
XH3D20Transitional pineal tumour
XH7K24Neuroectodermal tumour, NOS
XH6P76Peripheral primitive neuroectodermal tumour
XH9GH0Chordoma, NOS
XH8KJ8Ewing sarcoma

PreviousXH17D8 — Chondroid chordoma

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
Temporality
Aetiology
Topology Scale Value
Anatomy and topography
Histopathology
Dimensions of injury
Dimensions of external causes
Consciousness
Substances
5 more
Meningiomas
Mesonephromas
Mesothelial neoplasms
Miscellaneous bone tumours
Miscellaneous tumours
Mucoepidermoid neoplasms
Myomatous neoplasms
Myxomatous neoplasms
Nerve sheath tumours
41 more
Miscellaneous tumours, benign
Miscellaneous tumours, malignant
Miscellaneous tumours, uncertain whether benign or malignant
XH2S71Mixed pineal tumour
XH1S48Pineal parenchymal tumour of intermediate differentiation
XH1ZH1Pineoblastoma
XH3D20Transitional pineal tumour
XH7K24Neuroectodermal tumour, NOS
XH6P76Peripheral primitive neuroectodermal tumour
XH9GH0Chordoma, NOS
XH8KJ8Ewing sarcoma
XH0FH0Askin tumour
XH17D8Chondroid chordoma
XH7303Dedifferentiated chordoma

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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