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
EA91.4 — Lichen planus and lichenoid reactions of oral mucosa
EA91.41 — Erosive oral lichen planus

ICD-11 EA91.41 — Erosive oral lichen planus

Oral lichen planus in which the epithelium is ulcerated.

The diagnosis includes nothing.

The diagnosis excludes nothing.

It has no clarifying diagnoses.

The diagnosis is coded elsewhere:

• Lichen planus and lichenoid reactions of oral mucosa #13288
• Lichen planus and lichenoid reactions of oral mucosa #15702