ICD-11 classes
14 Diseases of the skin
Inflammatory dermatoses
Inflammatory erythemas and other reactive inflammatory...
EB12 — Erythema multiforme

ICD-11 EB12 — Erythema multiforme

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.

The diagnosis includes nothing.

Diagnosis with code EB12 contains 4 clarifying diagnoses:

1. EB12.0 — Cutaneous erythema multiforme
2. EB12.1 — Mucocutaneous erythema multiforme
   It contains 1 clarifying diagnosis.
3. EB12.Y — Other specified erythema multiforme
4. EB12.Z — Erythema multiforme, unspecified