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XExtension Codes
Histopathology
Gliomas
Gliomas, malignant

XH6F49 category

Oligoastrocytoma, NOS

Also indexed as

Anaplastic oligoastrocytomaMixed gliomaOligoastrocytoma, NOS

Nearby in Gliomas, malignant

XH1DC5Astroblastoma
XH96C7Astrocytoma, anaplastic
XH1S63Astrocytoma, low grade
XH54D9Cellular ependymoma
XH3M77Choroid plexus carcinoma
XH6E51Clear cell ependymoma
XH8W32Diffuse astrocytoma
XH6UY7Diffuse astrocytoma, low grade

PreviousXH9RC8 — Gliosarcoma NextXH9J28 — Papillary ependymoma

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
Fibroepithelial neoplasms
Fibromatous neoplasms
Germ cell neoplasms
Giant cell tumours
Gliomas
Granular cell tumours and alveolar soft part sarcomas
Lipomatous neoplasms
Lymphatic vessel tumours
Meningiomas
41 more
Gliomas, benign
Gliomas, malignant
Gliomas, uncertain whether benign or malignant
XH6UY7Diffuse astrocytoma, low grade
XH6922Ependymoma, anaplastic
XH6C35Fibrillary astrocytoma
XH5Y81Gemistocytic astrocytoma
XH4RQ3Glioma, malignant
XH6ZH4Gliomatosis cerebri
XH9RC8Gliosarcoma
XH6F49Oligoastrocytoma, NOS
XH9J28Papillary ependymoma
XH99U2Pleomorphic xanthoastrocytoma
XH6UV4Protoplasmic astrocytoma
XH4BJ4Tanycytic ependymoma
XH7692Diffuse midline glioma, H3 K27M-mutant
XH9YU2Diffuse intrinsic pontine glioma, H3 K27M-mutant
XH1511Ependymoma, NOS
60 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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