K31

Non-Billable

Other diseases of stomach and duodenum

K31 should not be used for reimbursement purposes as there are multiple sub-diagnoses that fall under this code. Please refer to the sub-diagnoses below.

Related Diagnoses

  • K31.0Acute dilatation of stomach
  • K31.1Adult hypertrophic pyloric stenosis
  • K31.2Hourglass stricture and stenosis of stomach
  • K31.3Pylorospasm, not elsewhere classified
  • K31.4Gastric diverticulum
  • K31.5Obstruction of duodenum
  • K31.6Fistula of stomach and duodenum
  • K31.7Polyp of stomach and duodenum
  • K31.8Other specified diseases of stomach and duodenum
    • K31.81Angiodysplasia of stomach and duodenum
      • K31.811Angiodysplasia of stomach and duodenum with bleeding
      • K31.819Angiodysplasia of stomach and duodenum without bleeding
    • K31.82Dieulafoy lesion (hemorrhagic) of stomach and duodenum
    • K31.83Achlorhydria
    • K31.84Gastroparesis
    • K31.89Other diseases of stomach and duodenum
  • K31.9Disease of stomach and duodenum, unspecified
  • K31.AGastric intestinal metaplasia
    • K31.A0Gastric intestinal metaplasia, unspecified
    • K31.A1Gastric intestinal metaplasia without dysplasia
      • K31.A11Gastric intestinal metaplasia without dysplasia, involving the antrum
      • K31.A12Gastric intestinal metaplasia without dysplasia, involving the body (corpus)
      • K31.A13Gastric intestinal metaplasia without dysplasia, involving the fundus
      • K31.A14Gastric intestinal metaplasia without dysplasia, involving the cardia
      • K31.A15Gastric intestinal metaplasia without dysplasia, involving multiple sites
      • K31.A19Gastric intestinal metaplasia without dysplasia, unspecified site
    • K31.A2Gastric intestinal metaplasia with dysplasia
      • K31.A21Gastric intestinal metaplasia with low grade dysplasia
      • K31.A22Gastric intestinal metaplasia with high grade dysplasia
      • K31.A29Gastric intestinal metaplasia with dysplasia, unspecified
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