EB12 Erythema multiforme

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2025-01

Erythema multiforme is a self‐limiting reactive inflammatory dermatosis triggered by cell‐mediated hypersensitivity, most commonly to drugs or infection, particularly Herpes simplex. It is characterised by an eruption of macules, papules, nodules, vesicles and/or bullae affecting preferentially the dorsal aspects of the hands and forearms. It may also involve oral and genital mucous membranes.

exclusions

• Stevens-Johnson syndrome or toxic epidermal necrolysis  (EB13)

sections/codes in this section ()

• Cutaneous erythema multiforme  (EB12.0)
• Mucocutaneous erythema multiforme  (EB12.1)
• Other specified erythema multiforme  (EB12.Y)
• Erythema multiforme, unspecified  (EB12.Z)

postcoordination

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