ICD-11 classes
13 Diseases of the digestive system
Diseases of the stomach or the duodenum
Diseases of duodenum
DA51 — Duodenitis
DA51.4 — Duodenitis of unknown aetiology with specific endoscopic or...
DA51.41 — Granulomatous duodenitis of unknown aetiology

ICD-11 DA51.41 — Granulomatous duodenitis of unknown aetiology

A rare disease characterised by the presence of granulomas within the duodenal mucosa or submucosa. Common causes are Crohn’s disease (CD), disseminated sarcoidosis and infections (tuberculosis [TB], syphilis, fungal). But we classify here as disease of other or unknown etiology.

The diagnosis includes nothing.

The diagnosis excludes nothing.

It has no clarifying diagnoses.