EB12.1

ICD-11 MMS 2026-01

Mucocutaneous erythema multiforme

Description

Erythema multiforme with mucosal involvement, usually of oral and/or genital mucous membranes. It causes significantly more morbidity than erythema multiforme confined to the skin.

Index terms

  • Mucocutaneous erythema multiforme
  • Erythema multiforme majus
  • Erythema multiforme with mucosal involvement

Exclusions from above levels

  • EB13 – Stevens-Johnson syndrome or toxic epidermal necrolysis
  • 1B72.0 – Bullous impetigo of the napkin area
  • 1F23.12 – Napkin candidosis
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  • EH71 – Dermatoses precipitated by drug therapy
  • EH76 – Dermatoses associated with specific classes of medication

Foundation children elsewhere

  • DA01.13 – Erythema multiforme with oral ulceration

Sibling codes

  • EB12.0 – Cutaneous erythema multiforme
  • EB12.Y – Other specified erythema multiforme
  • EB12.Z – Erythema multiforme, unspecified

Foundation entity

Mucocutaneous erythema multiforme – http://id.who.int/icd/entity/654966035

Part of: EB12: Erythema multiforme › 14: Diseases of the skin