Malignant neoplasms of skin
International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2026-01
A primary or metastatic neoplasm (primary malignant neoplasm spreading elsewhere) involving the skin. Primary malignant skin tumours most often are carcinomas (either basal cell or squamous cell carcinomas that arise from cells in the epidermis) or melanomas that arise from pigment-containing skin melanocytes.
exclusions
- Malignant mesenchymal neoplasms (2B50-2B5Z)
- Carcinoma in situ of skin (2E64)
- Malignant neoplasm metastasis in skin (2E08)
sections/codes in this section (2C30-2C3Z)
- Melanoma of skin (2C30)
- Squamous cell carcinoma of skin (2C31)
- Basal cell carcinoma of skin (2C32)
- Adnexal carcinoma of skin (2C33)
- Cutaneous neuroendocrine carcinoma (2C34)
- Cutaneous sarcoma (2C35)
- Other specified malignant neoplasms of skin (2C3Y)
- Malignant neoplasm of skin of unknown or unspecified type (2C3Z)
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