14Diseases of the skin Disorders of the skin of uncertain or unpredictable malignant potential
EK90
category
Actinic keratosis and other discrete epidermal dysplasias
Definition A group of conditions characterised by varying degrees of keratinocytic atypia resulting from damage to keratinocyte DNA. They carry a small propensity to develop into invasive squamous cell carcinoma.
Also indexed as
Actinic keratosis and other discrete epidermal dysplasias
Nearby in Disorders of the skin of uncertain or unpredictable malignant potential
International Classification of Diseases, Eleventh Revision (ICD-11), World Health Organization (WHO) 2019/2021, https://icd.who.int/browse11. Licensed under Creative Commons Attribution-NoDerivatives 3.0 IGO (CC BY-ND 3.0 IGO).
Release 2026-01.
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This page reproduces WHO classification content for reference. It is not
medical advice and must not be used to diagnose or treat. For coding
decisions, consult the official release and your national coding guidelines.
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