2025 ICD-10-CM code C43
(Active) Effective Date: N/A Neoplasms - Malignant melanoma of skin 2: Neoplasms Feed
Malignant melanoma of the skin. This code excludes melanoma in situ (D03.-), malignant melanoma of skin of genital organs (C51-C52, C60.-, C63.-), and Merkel cell carcinoma (C4A.-).
Medical necessity for treatment of malignant melanoma is based on the confirmed diagnosis and the stage of the cancer.
Diagnosis of malignant melanoma is typically based on physical examination and biopsy.Further tests, such as blood tests and imaging studies (CT, PET), may be performed to determine the stage and extent of the cancer.
In simple words: Malignant melanoma is a serious type of skin cancer that can spread to other parts of the body.It develops from the cells that give skin its color.
Malignant melanoma of the skin.Malignant melanoma is a type of skin cancer that develops from melanocytes, the cells that produce melanin. It is considered the most dangerous type of skin cancer due to its ability to grow rapidly and spread to other parts of the body (metastasize).It can occur anywhere on the body but is more common in areas exposed to the sun.
Example 1: A 45-year-old patient presents with a changing mole on their back. Biopsy confirms malignant melanoma., A 60-year-old patient with a history of sun exposure presents with a new, irregularly shaped lesion on their arm.Diagnosis of malignant melanoma is made following biopsy., A 25-year-old patient presents with a dark spot under their fingernail. Biopsy reveals acral lentiginous melanoma.
Documentation should include the location and description of the lesion, biopsy results, and any imaging or laboratory findings.The stage of the melanoma should also be documented.
- Specialties:Dermatology, Oncology, Surgery
- Place of Service:Office, Outpatient Hospital, Inpatient Hospital