ICD-11 classes
14 Diseases of the skin
Skin disorders involving specific cutaneous structures
Disorders of the epidermis and epidermal appendages
Disorders of hair
ED70 — Alopecia or hair loss
ED70.2 — Alopecia areata
ED70.20 — Patchy alopecia areata of scalp
ICD-11 ED70.20 — Patchy alopecia areata of scalp
The commonest form of alopecia areata in which one or more usually circular patches of scalp hair loss develop.
The diagnosis includes nothing.
The diagnosis excludes nothing.
It has no clarifying diagnoses.