ED60.1

ICD-11 MMS 2026-01

Melasma

Description

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.

Index terms

  • Melasma
  • Chloasma
  • Mask of pregnancy

Sibling codes

  • ED60.0 – Physiological hypermelanosis
  • ED60.2 – Postinflammatory hypermelanosis
  • ED60.Y – Hypermelanosis of other specified aetiology
  • ED60.Z – Hypermelanosis of unspecified aetiology

Foundation entity

Melasma – http://id.who.int/icd/entity/101755595

Part of: ED60: Acquired hypermelanosis › 14: Diseases of the skin