2A00.11

ICD-11 MMS 2026-01

Central primitive neuroectodermal tumour

Description

A malignant neoplasm that originates in the neuroectoderm. The neuroectoderm constitutes the portion of the ectoderm of the early embryo that gives rise to the central and peripheral nervous systems and includes some glial cell precursors.

Index terms

  • Central primitive neuroectodermal tumour
  • central nervous system primitive neuroectodermal tumour
  • cpnet - [central primitive neuroectodermal tumour]
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  • pnet - [primitive neuroectodermal tumour]
  • Brain neuroblastoma
  • Ependymoblastoma of brain
  • ependymoblastoma of unspecified site
  • Ganglioneuroblastoma of brain
  • Medulloepithelioma
  • Teratoid medulloepithelioma of unspecified site

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

  • 2A00.10 – Medulloblastoma of brain
  • 2A00.1Y – Other specified embryonal tumours of brain
  • 2A00.1Z – Embryonal tumours of brain, unspecified

Foundation entity

Central primitive neuroectodermal tumour – http://id.who.int/icd/entity/1711526170

Allowed postcoordination axes

Part of: 2A00.1: Embryonal tumours of brain › 2A00: Primary neoplasms of brain › 02: Neoplasms