LC50.0

ICD-11 MMS 2026-01

Salmon patch

Description

A common skin condition of neonates, characterised by flat, deep-pink localised areas of capillary dilation that occur predominantly on the back of the neck, lower occiput, upper eyelids, upper lip, and bridge of the nose. The areas disappear permanently by about 2 years of age.

Index terms

  • Salmon patch
  • Naevus simplex
  • Stork bite

Exclusions from above levels

  • 5C58.12 – Congenital erythropoietic porphyria
  • 5C64.20 – Acrodermatitis enteropathica
  • EG63 – pilonidal cyst or sinus
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  • http://id.who.int/icd/entity/733825440 – Inborn errors of metabolism

Sibling codes

  • LC50.1 – Port-wine stain
  • LC50.Y – Other specified developmental capillary vascular malformations of the skin

Foundation entity

Salmon patch – http://id.who.int/icd/entity/400551861

Allowed postcoordination axes

Part of: LC50: Developmental capillary vascular malformations of the skin › 20: Developmental anomalies