C43

Malignant melanoma of skin

Cannot Code Together

These codes cannot be used together with the current code, even if both conditions are present.

  • • melanoma in situ (D03.-)

Can Code Together

These codes can be used together with the current code if both conditions are documented.

  • • malignant melanoma of skin of genital organs (C51-C52, C60.-, C63.-)
  • • Merkel cell carcinoma (C4A.-)
  • • sites other than skin-code to malignant neoplasm of the site