2C34

ICD-11 MMS 2026-01

Cutaneous neuroendocrine carcinoma

Description

Cutaneous neuroendocrine carcinoma is a primary cutaneous cancer arising from a subset of skin neuroendocrine cells (Merkel cells, giving the name Merkel cell carcinoma (MCC)).

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

  • Cutaneous neuroendocrine carcinoma
  • Merkel cell carcinoma of skin
  • Merkel cell cancer
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  • Merkel cell carcinoma of unspecified site
  • Neuroendocrine carcinoma of the skin

Exclusions from above levels

  • 2E08 – Malignant neoplasm metastasis in skin
  • 2E64 – Carcinoma in situ of skin
  • 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

  • 2C30 – Melanoma of skin
  • 2C31 – Squamous cell carcinoma of skin
  • 2C32 – Basal cell carcinoma of skin
  • 2C33 – Adnexal carcinoma of skin
  • 2C35 – Cutaneous sarcoma
  • 2C3Y – Other specified malignant neoplasms of skin
  • 2C3Z – Malignant neoplasm of skin of unknown or unspecified type

Foundation entity

Cutaneous neuroendocrine carcinoma – http://id.who.int/icd/entity/680322043

Allowed postcoordination axes

Part of: 02: Neoplasms