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K20-K31
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K31
K31
Other diseases of stomach and duodenum
K31.0
Acute dilatation of stomach
Billable
Notes
K31.1
Adult hypertrophic pyloric stenosis
Billable
Notes
K31.2
Hourglass stricture and stenosis of stomach
Billable
Notes
K31.3
Pylorospasm, not elsewhere classified
Billable
Notes
K31.4
Gastric diverticulum
Billable
Notes
K31.5
Obstruction of duodenum
Billable
Notes
K31.6
Fistula of stomach and duodenum
Billable
Notes
K31.7
Polyp of stomach and duodenum
Billable
Notes
K31.8
Other specified diseases of stomach and duodenum
K31.9
Disease of stomach and duodenum, unspecified
Billable
Notes
K31.A
Gastric intestinal metaplasia
K31.B
Hypertrophic pyloric stenosis, in childhood
Billable
Notes