ICD-11 classes
14 Diseases of the skin
Skin disorders involving certain specific body regions
Skin disorders involving the head and neck
Dermatoses of the lips or oral cavity
DA01 — Disorders of oral mucosa
DA01.1 — Noninfectious erosive or ulcerative disorders of oral mucosa
DA01.13 — Erythema multiforme with oral ulceration

ICD-11 DA01.13 — Erythema multiforme with oral ulceration

This is a skin condition of unknown cause, possibly mediated by deposition of immune complex (mostly IgM) in the superficial microvasculature of the skin and oral mucous membrane that usually follows an infection or drug exposure.

The diagnosis includes nothing.

The diagnosis excludes nothing.

It has no clarifying diagnoses.

The diagnosis is coded elsewhere:

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