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K20-K31: Diseases of esophagus, stomach and duodenum

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Excludes

  • Hiatus hernia (K44.-)

Diagnosis Codes
11
  • K20.-
  • Esophagitis
  • K21.-
  • Gastro-esophageal reflux disease
  • K22.-
  • Other diseases of esophagus
  • K23.-
  • Disorders of esophagus 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
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