ICD-11 classes
14 Diseases of the skin
Skin disorders involving specific cutaneous structures
Disorders of the epidermis and epidermal appendages
Disorders of skin colour
ED63 — Acquired hypomelanotic disorders
ED63.1 — Hypomelanosis due to exposure to chemicals

ICD-11 ED63.1 — Hypomelanosis due to exposure to chemicals

Loss of skin pigment due to exposure to depigmenting agents such as hydroquinone, which is frequently employed as a cosmetic skin lightener, and industrial chemicals such as 4-tert-butylcatechol (PTBC) and para-substituted phenols (PSP).

The diagnosis includes nothing.

The diagnosis excludes nothing.

It has no clarifying diagnoses.