2C3Z

ICD-11 MMS 2026-01

Malignant neoplasm of skin of unknown or unspecified type

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.

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
  • 2C34 – Cutaneous neuroendocrine carcinoma
  • 2C35 – Cutaneous sarcoma
  • 2C3Y – Other specified malignant neoplasms of skin

Foundation entity

Malignant neoplasms of skin – http://id.who.int/icd/entity/1706880799

Allowed postcoordination axes

Part of: 02: Neoplasms