The ICD-10 code range for Diseases of esophagus, stomach and duodenum K20-K31 is medical classification list by the World Health Organization (WHO).
ICD-10 Code range (K20-K31), Diseases of esophagus, stomach and duodenum contains ICD-10 codes for Gastritis and duodenitis, Acute gastritis, Alcoholic gastritis, Chronic superficial gastritis, Chronic atrophic gastritis, Unspecified chronic gastritis, Other gastritis, Gastritis, unspecified, Duodenitis, Gastroduodenitis, unspecified
