ICD-11 classes
14 Diseases of the skin
Inflammatory dermatoses
Papulosquamous dermatoses
EA91 — Lichen planus
EA91.2 — Follicular lichen planus

ICD-11 EA91.2 — Follicular lichen planus

Lichen planus involving the hair follicle rather than the epidermis. It typically involves the scalp but may be seen elsewhere. Clinically it presents as grouped small, slightly scaly erythematous follicular papules.

The diagnosis includes nothing.

The diagnosis excludes nothing.

It has no clarifying diagnoses.