Malignant neoplasms of skin

Definition

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

• Carcinoma in situ of skin (2E64)
• Malignant mesenchymal neoplasms
• Malignant neoplasm metastasis in skin (2E08)

8 subordinate codes

• 2C30Melanoma of skin
• 2C31Squamous cell carcinoma of skin
• 2C32Basal cell carcinoma of skin
• 2C33Adnexal carcinoma of skin
• 2C34Cutaneous neuroendocrine carcinoma
• 2C35Cutaneous sarcoma
• 4B4YOther specified diseases of the immune system
• 4B4ZDiseases of the immune system, unspecified

Nearby in Malignant neoplasms, stated or presumed to be primary, of specified sites, except of lymphoid, haematopoietic, central nervous system or related tissues

• 2B50-2B5ZMalignant mesenchymal neoplasms
• 2B60-2B6E.ZMalignant neoplasms of lip, oral cavity or pharynx
• 2B70-2C1ZMalignant neoplasms of digestive organs
• 2C20-2C29.ZMalignant neoplasms of middle ear, respiratory or intrathoracic organs
• 2C40-2C4ZMalignant neoplasms of peripheral nerves or autonomic nervous system
• 2C50-2C53.ZMalignant neoplasms of retroperitoneum, peritoneum or omentum
• 2C60-2C6ZMalignant neoplasms of breast
• 2C70-2C7ZMalignant neoplasms of female genital organs