14Diseases of the skin Skin disorders involving specific cutaneous structures Disorders of the epidermis or epidermal appendages
ED80-ED9Y block
Disorders of the hair follicle
Definition This group incorporates disorders of the hair shaft and hair follicular unit including, for example, hirsutism, alopecia, acne and hidradenitis suppurativa.
Nearby in Disorders of the epidermis or epidermal appendages
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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