ICD-11 classes
14 Diseases of the skin
Inflammatory dermatoses
Papulosquamous dermatoses
EA91 — Lichen planus
EA91.4 — Lichen planus and lichenoid reactions of oral mucosa
EA91.42 — Oral lichen planus, unspecified

ICD-11 EA91.42 — Oral lichen planus, unspecified

Lichen planus of oral mucosa without mention of presence or absence of ulceration.

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 #16859