ICD-11 classes
13 Diseases of the digestive system
Diseases of large intestine
Diverticular disease of large intestine

ICD-11 Diverticular disease of large intestine

This refers to the clinical entity characterised by the presence of sac-like outpocketings of the colonic mucosa and submucosa through weak points of the muscle layer of the large intestine. This contains both diverticulitis and diverticulosis. Diverticular disease is used to describe a specific clinical disorder with defined radiological and pathological appearance, in which there is a characteristic muscle abnormality, usually, but not invariably accompanied by the presence of diverticula which may or may not be inflamed.

The diagnosis includes nothing.

Diagnosis contains 3 clarifying diagnoses:

1. DC80 — Diverticulitis of large intestine
   It contains 3 clarifying diagnoses.
2. DC81 — Diverticulosis of large intestine
   It contains 3 clarifying diagnoses.
3. DC82 — Diverticulum of large intestine
   It contains 3 clarifying diagnoses.

The diagnosis is coded elsewhere:

• Diverticular disease of intestine #14661