ICD-11 MMS

20 Developmental anomalies

Structural developmental anomalies primarily affecting one body system  (LA00-LD0Z)

Structural developmental anomalies of the skin  (LC00-LC7Z)

Developmental hamartomata of the epidermis and epidermal appendages  (LC00-LC0Y)

Keratinocytic epidermal hamartoma

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01


Keratinocytic epidermal hamartoma or epidermal naevus is a congenital hamartomatous epidermal malformation composed of keratinocytes. It is thought to arise as a result of somatic mutation: early embryonic mutations can give rise to extensive systematised naevi, though typically epidermal naevi are localised linear papillomatous or verrucous plaques. Histologically they exhibit acanthosis, papillomatosis and acanthosis.

code elsewhere

sections/codes in this section (LC00-LC00)

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