14Diseases of the skin
Skin disorders involving specific cutaneous structures
Disorders of the epidermis or epidermal appendages
Disorders of hair
ED73Acquired disorders of the hair shaft
ED73.1
category
Acquired changes in hair colour
Definition Abnormal diffuse or circumscribed alterations in natural hair colour. Causes include drugs, idiopathic premature greying of the hair, differential shedding of pigmented hair in alopecia areata or hair pigment loss in association with vitiligo or regressing melanocytic naevi.
Nearby in Acquired disorders of the hair shaft
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.
View this entity in the official WHO ICD-11 browser .
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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