ICD-11 classes
14 Diseases of the skin
Skin disorders involving specific cutaneous structures
Disorders of cutaneous blood and lymphatic vessels
EF40 — Vasculitis or capillaritis involving the skin
4A44.2 — Giant cell arteritis

ICD-11 4A44.2 — Giant cell arteritis

Arteritis, often granulomatous, usually affecting the aorta and/or its major branches, with a predilection for the branches of the carotid artery. Often involves the temporal artery. Onset usually in patients older than 50 and often associated with polymyalgia rheumatica.

The diagnosis includes nothing.

The diagnosis excludes nothing.

It has no clarifying diagnoses.

The diagnosis is coded elsewhere:

• Vasculitis #3669
• Vasculitis #18397