DA42.9

ICD-11 MMS 2026-01

Gastric phlegmon

Description

A spreading diffuse inflammatory process with formation of suppurative/purulent exudate or pus in the gastric wall. It often develops to a defined pocket of pus, gastric abscess. This is mainly due to the result of acute inflammation by bacterial infection.

Index terms

  • Gastric phlegmon
  • Gastric abscess
  • Phlegmonous gastritis
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  • retrogastric abscess
  • Pyloric valve abscess

Inclusions

  • Gastric abscess
  • Phlegmonous gastritis

Exclusions from above levels

  • DD50.0 – Diaphragmatic hernia
  • DE12.1 – Gastrostomy malfunction
  • 01 – Certain infectious or parasitic diseases
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  • 02 – Neoplasms
  • 05 – Endocrine, nutritional or metabolic diseases
  • 06 – Mental, behavioural or neurodevelopmental disorders
  • 18 – Complications of pregnancy, childbirth and the puerperium
  • 22 – Injury, poisoning or certain other consequences of external causes

Sibling codes

  • DA42.0 – Autoimmune gastritis
  • DA42.1 – Helicobacter pylori induced gastritis
  • DA42.2 – Eosinophilic gastritis
  • DA42.3 – Lymphocytic gastritis
  • DA42.4 – Allergic gastritis
  • DA42.5 – Gastritis due to duodenogastric reflux
  • DA42.6 – Menetrier disease
  • DA42.7 – Gastritis of unknown aetiology with specific endoscopic or pathological features
  • DA42.8 – Gastritis due to external causes
  • DA42.Y – Other specified gastritis
  • DA42.Z – Gastritis, unspecified

Foundation entity

Gastric phlegmon – http://id.who.int/icd/entity/1759664954

Allowed postcoordination axes

Part of: DA42: Gastritis › 13: Diseases of the digestive system