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ICD-10 International Classification of Diseases
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K20-K31 - Diseases of oesophagus, stomach and duodenum
- K20 - Oesophagitis
- K21 - Gastro-oesophageal reflux disease
- K22 - Other diseases of oesophagus
- K23 - Disorders of oesophagus in diseases classified elsewhere
- K25 - Gastric ulcer
- K26 - Duodenal ulcer
- K27 - Peptic ulcer, site unspecified
- K28 - Gastrojejunal ulcer
- K29 - Gastritis and duodenitis
- K30 - Functional dyspepsia
- K31 - Other diseases of stomach and duodenum