DB33.10 Collagenous colitis

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2025-01

Collagenous colitis is characterised by chronic watery diarrhoea, normal radiological and endoscopic appearance of the colon, and a specific histopathological feature consisting in the presence of a subepithelial collagen band (10 mm or more) adjacent to the basal membrane, together with epithelial lymphocyte infiltration and chronic inflammation of the lamina propria.

postcoordination

synonyms

• Collagenous colitis

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