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
ED60 — Acquired hypermelanosis
ED60.1 — Melasma

ICD-11 ED60.1 — Melasma

A common condition of incompletely understood aetiology characterised by patchy melanin pigmentation of the malar prominences, forehead and perioral skin. The pigmentation is exacerbated by sun exposure. Melasma is common in pregnancy and in women taking oral contraceptive preparations; it may, however, also be seen in men.

The diagnosis includes nothing.

The diagnosis excludes nothing.

It has no clarifying diagnoses.