2A00.5

ICD-11 MMS 2026-01

Primary neoplasm of brain of unknown or unspecified type

Index terms

  • Primary neoplasm of brain of unknown or unspecified type
  • brain tumour NOS
  • cerebral neoplasia NOS
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  • cerebrum neoplasia NOS
  • Hypothalamic neoplasm
  • Brain hemangiopericytoma
  • Malignant neoplasms of brain
  • brain cancer
  • malignant brain tumour NOS
  • malignant neoplasm of brain NOS
  • Malignant neoplasm of cerebrum, except lobes and ventricles
  • cerebral cancer
  • cerebral cortex cancer
  • cerebral cortical cancer
  • cerebral hemisphere cancer
  • cerebrum cancer
  • cerebrum cortex cancer
  • cerebrum cortical cancer
  • cerebrum hemisphere cancer
  • corpus striatum cancer
  • hypothalamic cancer
  • malignant neoplasm of cerebrum
  • primary malignant neoplasm of cerebrum
  • White matter cancer
  • Thalamic cancer
  • Malignant neoplasm of frontal lobe of brain
  • frontal lobe cancer
  • primary malignant neoplasm of frontal lobe
  • Malignant neoplasm of temporal lobe of brain
  • primary malignant neoplasm of temporal lobe
  • temporal lobe cancer
  • Malignant neoplasm of parietal lobe of brain
  • parietal lobe cancer
  • primary malignant neoplasm of parietal lobe
  • Malignant neoplasm of occipital lobe of brain
  • occipital lobe cancer
  • primary malignant neoplasm of occipital lobe
  • Malignant neoplasm of cerebral ventricle
  • cerebral ventricle cancer
  • ventricle cancer
  • ventricular cancer
  • Malignant neoplasm of cerebellum
  • cancer of the cerebellum
  • cerebellar cancer
  • cerebellum cancer
  • malignant neoplasm of cerebellum NOS
  • primary malignant neoplasm of cerebellum
  • Malignant neoplasm of brain stem
  • Infratentorial cancer NOS
  • medulla oblongata cancer
  • midbrain cancer
  • pons cancer
  • pontine cancer
  • Malignant neoplasm involving overlapping sites of brain
  • Benign neoplasm of brain, supratentorial
  • Benign neoplasm of cerebrum
  • Benign cerebral neoplasm
  • benign cerebral tumour
  • Benign neoplasm of cerebral ventricle
  • Benign neoplasm of choroid plexus
  • benign choroid plexus neoplasm
  • benign tumour of choroid plexus
  • Benign neoplasm of hypothalamus
  • benign hypothalamic neoplasm
  • Benign neoplasm of frontal lobe
  • Benign neoplasm of occipital lobe
  • Benign neoplasm of parietal lobe
  • Benign neoplasm of temporal lobe
  • Benign neoplasm of the thalamus
  • benign thalamic neoplasm
  • benign thalamus neoplasm
  • Benign neoplasm of brain, infratentorial
  • Benign neoplasm of cerebellum
  • benign cerebellar neoplasm
  • Benign neoplasm of medulla oblongata
  • Benign neoplasm of pons
  • Neoplasm of uncertain or unknown behaviour of brain
  • Giant cell subependymal astrocytoma, unspecified site
  • Subependymal astrocytoma, unspecified site
  • Papillary ependymoma, unspecified site
  • Mixed subependymoma-ependymoma of unspecified site
  • Myxopapillary ependymoma, unspecified site
  • Subependymoma, unspecified site
  • Metastatic brain cancer [primary brain cancer spreading elsewhere]
  • Benign brain tumour
  • benign brain tumour NOS
  • nonmalignant brain tumour

Exclusions from above levels

  • 2D50 – Malignant neoplasm metastasis in brain
  • 2D51 – Malignant neoplasm metastasis in meninges
  • 2D52 – Malignant neoplasm metastasis in spinal cord, cranial nerves or paraspinal nerves

Sibling codes

  • 2A00.0 – Gliomas of brain
  • 2A00.1 – Embryonal tumours of brain
  • 2A00.2 – Tumours of neuroepithelial tissue of brain
  • 2A00.3 – Central neurocytoma of brain
  • 2A00.4 – Astroblastoma of the brain

Foundation entity

Primary neoplasm of brain of unknown or unspecified type – http://id.who.int/icd/entity/677986724

Allowed postcoordination axes

Part of: 2A00: Primary neoplasms of brain › 02: Neoplasms