13Diseases of the digestive system
Diseases of the stomach or the duodenum
Diseases of duodenum
DA51Duodenitis
DA51.6Infectious duodenitis
DA51.60
category
Duodenal phlegmon
Definition A spreading diffuse inflammatory process with formation of suppurative/purulent exudate or pus in the duodenal wall. It often develops to a defined pocket of pus, duodenal abscess. This is mainly due to the result of acute inflammation by bacterial infection.
Also indexed as
Duodenal phlegmon
Nearby in Infectious duodenitis
International Classification of Diseases, Eleventh Revision (ICD-11), World Health Organization (WHO) 2019/2021, https://icd.who.int/browse11. Licensed under Creative Commons Attribution-NoDerivatives 3.0 IGO (CC BY-ND 3.0 IGO).
Release 2026-01.
View this entity in the official WHO ICD-11 browser .
This page reproduces WHO classification content for reference. It is not
medical advice and must not be used to diagnose or treat. For coding
decisions, consult the official release and your national coding guidelines.
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