EE11.0

ICD-11 MMS 2026-01

Melanonychia

Description

Melanin pigmentation of the nail plate. This may be of no significance but may signify the presence of melanoma arising from the nail matrix

Index terms

  • Melanonychia
  • Longitudinal melanonychia

Sibling codes

  • EE11.1 – Yellow nail syndrome
  • EE11.Y – Other abnormalities of nail colour
  • EE11.Z – Acquired abnormalities of nail colour, unspecified

Foundation entity

Melanonychia – http://id.who.int/icd/entity/548201243

Part of: EE11: Acquired abnormalities of nail colour › 14: Diseases of the skin