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HomeICD-10 CodesK31
ICD-10-CM
Non-billable

K31

Classification
Category:Diseases of the digestive system
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Coding Guidance
K31 should not be used for reimbursement purposes as there are more specific codes below it that contain a greater level of detail.
Inclusion Terms
  • functional disorders of stomach
Excludes 2

More Specific Codes

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

External Resources

2025 ICD-10 guidelines from CMS.gov