ICD-11 classes
14 Diseases of the skin
Malignant neoplasms involving the skin
In situ neoplasms of skin
2E63.0 — Melanoma in situ of skin
2E63.00 — Lentigo maligna

ICD-11 2E63.00 — Lentigo maligna

An atypical proliferation of atypical melanocytes in the dermal-epidermal junction, without infiltration of the papillary or reticular dermis. The melanocytic proliferation is associated with actinic damage and epidermal atrophy. It usually occurs in the sun-exposed skin of elderly people. It is a form of melanoma in situ and in approximately 5% of cases it progresses to lentigo maligna melanoma.

The diagnosis includes nothing.

The diagnosis excludes nothing.

It has no clarifying diagnoses.

The diagnosis is coded elsewhere:

• Melanoma in situ of skin #2516