2C27.0

ICD-11 MMS 2026-01

Carcinoma of thymus

Description

A diverse group of carcinomas of the thymus gland, previously known as thymoma type C. It includes morphologic variants derived from purely epithelial cells, as well as from cells with neuroendocrine differentiation.

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

  • Carcinoma of thymus
  • Adenocarcinoma of thymus
  • Adenosquamous carcinoma of thymus
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  • Malignant Type C Thymoma
  • Mucoepidermoid carcinoma of thymus
  • Squamous cell carcinoma of thymus

Exclusions from above levels

  • 2E0Y – Malignant neoplasm metastasis in thymus gland
  • http://id.who.int/icd/entity/1965082709 – Malignant mesenchymal neoplasms
  • 2C51.2 – Mesotheliomas of peritoneum
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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

  • 2C27.1 – Carcinoid tumour or other neuroendocrine neoplasms of thymus
  • 2C27.2 – Thymoma
  • 2C27.Y – Other specified malignant neoplasms of thymus
  • 2C27.Z – Malignant neoplasms of thymus, unspecified

Foundation entity

Carcinoma of thymus – http://id.who.int/icd/entity/1351671383

Allowed postcoordination axes

Part of: 2C27: Malignant neoplasms of thymus › 02: Neoplasms