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Chapters ENES DE

02Neoplasms
Neoplasms of central nervous system or related structures
2A00Primary neoplasms of brain

2A00.0 category

Gliomas of brain

3 subordinate codes

2A00.00Glioblastoma of brain
4B4YOther specified diseases of the immune system
4B4ZDiseases of the immune system, unspecified

Nearby in Primary neoplasms of brain

2A00.1Embryonal tumours of brain
2A00.2Tumours of neuroepithelial tissue of brain
2A00.3Central neurocytoma of brain
2A00.4Astroblastoma of the brain
2A00.5Primary neoplasm of brain of unknown or unspecified type

Next2A00.1 — Embryonal tumours of brain

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
2A00-2A0ZNeoplasms of central nervous system or related structures
2A20-2B3ZNeoplasms of haematopoietic or lymphoid tissues
2B50-2E2ZMalignant neoplasms, except primary neoplasms of lymphoid, haematopoietic, central nervous system or related tissues
2E60-2E6ZIn situ neoplasms, except of lymphoid, haematopoietic, central nervous system or related tissues
2E80-2F3ZBenign neoplasms, except of lymphoid, haematopoietic, central nervous system or related tissues
2F70-2F7ZNeoplasms of uncertain behaviour, except of lymphoid, haematopoietic, central nervous system or related tissues
2F90-2F9ZNeoplasms of unknown behaviour, except of lymphoid, haematopoietic, central nervous system or related tissues
Inherited cancer-predisposing syndromes
2A00Primary neoplasms of brain
2A01Primary neoplasms of meninges
2A02Primary neoplasm of spinal cord, cranial nerves, paraspinal nerves or remaining parts of central nervous system
4B4ZDiseases of the immune system, unspecified
2A00.0Gliomas of brain
2A00.1Embryonal tumours of brain
2A00.2Tumours of neuroepithelial tissue of brain
2A00.3Central neurocytoma of brain
2A00.4Astroblastoma of the brain
2A00.5Primary neoplasm of brain of unknown or unspecified type
2A00.00Glioblastoma of brain
4B4YOther specified diseases of the immune system
4B4ZDiseases of the immune system, unspecified

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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