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ICD-10-CM 2027

ICD-10 code for metastatic melanoma

Choose a code from the options below based on the documentation.

From the official ICD-10-CM alphabetic index entry “Melanoma (malignant) › metastatic”. Page updated September 29, 2026.

About coding metastatic melanoma

The official ICD-10-CM index doesn't give a single default code for metastatic melanoma; the code depends on the details below.

More specific metastatic melanoma codes (official index)

  • breast C79.81 — Secondary malignant neoplasm of breast
  • genital organ C79.82 — Secondary malignant neoplasm of genital organs
  • specified site NEC C79.89 — Secondary malignant neoplasm of other specified sites

Common questions about metastatic melanoma ICD-10 codes

What is the ICD-10 code for breast metastatic melanoma?

C79.81 — Secondary malignant neoplasm of breast.

What is the ICD-10 code for genital organ metastatic melanoma?

C79.82 — Secondary malignant neoplasm of genital organs.