Gastritis

Description

Gastritis is an injury of gastric mucosa that involves epithelial damage, mucosal inflammation, and epithelial cell regeneration except for any epithelial defect. Gastritis is caused by various factors such as infectious agents, drugs, chemical agents, autoimmune reaction and others. Gastritis is diagnosed histopathologically and/or endoscopically. Gastritis is classified as acute and chronic phase by clinical course.

Inclusions

Gastroduodenitis

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

Child 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
DA42.9 – Gastric phlegmon
DA42.Y – Other specified gastritis
DA42.Z – Gastritis, unspecified

Sibling codes

DA40 – Acquired anatomical alterations of the stomach
DA41 – Gastroduodenal motor or secretory disorders
DA43 – Vascular disorders of the stomach
DA44 – Gastric polyp
DA4Y – Other specified diseases of stomach
DA4Z – Diseases of stomach, unspecified

Foundation entity

Gastritis – http://id.who.int/icd/entity/1871672644

Allowed postcoordination axes

Part of: 13: Diseases of the digestive system