2D04

ICD-11 MMS 2026-01

Malignant neoplasm of orbit

Description

A primary or metastatic malignant neoplasm involving the orbit.

Coding note from above levels

For use of this category, reference should be made to the mortality coding rules and guidelines in the Reference Guide.

Index terms

  • Malignant neoplasm of orbit
  • intraorbital cancer
  • orbital cancer
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  • primary malignant neoplasm of orbit
  • Malignant neuroepithelial tumours of orbit
  • Malignant neoplasm of connective tissue of orbit
  • Malignant neoplasm of extraocular muscle
  • Malignant neoplasm of peripheral nerves of orbit
  • Malignant neoplasm of retro-ocular tissue
  • Malignant neoplasm of retrobulbar tissue
  • Melanoma of orbit

Excludes

  • 2E0Y – Malignant neoplasm metastasis in orbit
  • 2E83.0 – Benign neoplasm of orbital bone
  • http://id.who.int/icd/entity/1965082709 – malignant neoplasm of orbital bone

Exclusions from above levels

  • 2A02 – Malignant neoplasm of optic nerve
  • http://id.who.int/icd/entity/1706880799 – Malignant neoplasm of skin of eyelid
  • http://id.who.int/icd/entity/1965082709 – Malignant mesenchymal neoplasms
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  • http://id.who.int/icd/entity/879154182 – Neoplasms of central nervous system or related structures
  • http://id.who.int/icd/entity/944754984 – Neoplasms of haematopoietic or lymphoid tissues

Sibling codes

  • 2D00 – Malignant neoplasm of conjunctiva
  • 2D01 – Malignant neoplasm of cornea
  • 2D02 – Malignant neoplasm of retina
  • 2D03 – Malignant neoplasm of lacrimal apparatus
  • 2D05 – Malignant neoplasm of choroid
  • 2D06 – Malignant neoplasm of ciliary body
  • 2D07 – Malignant neoplasm of iris
  • 2D0Y – Other specified malignant neoplasms of eye or ocular adnexa
  • 2D0Z – Malignant neoplasms of eye or ocular adnexa, unspecified

Foundation entity

Malignant neoplasm of orbit – http://id.who.int/icd/entity/1872149350

Allowed postcoordination axes

Part of: 02: Neoplasms