2E63.00 Lentigo maligna
International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2025-01
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.
postcoordination
Add Stem and/or Extension codes to form a cluster code which adds detail to the condition.
synonyms
- Lentigo maligna
- Hutchinson melanotic freckle
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