K312026
Non-billable
Other diseases of stomach and duodenum
K31 is a non-billable ICD-10-CM category (header) code for Other diseases of stomach and duodenum; a more specific code below it is required for claims in the FY2026 code set.
Clinical Notes
Frequently Asked Questions
Code Hierarchy
K31
Other diseases of stomach and duodenumAcute dilatation of stomach
Adult hypertrophic pyloric stenosis
Hourglass stricture and stenosis of stomach
Pylorospasm, not elsewhere classified
Gastric diverticulum
Obstruction of duodenum
Fistula of stomach and duodenum
Polyp of stomach and duodenum
Other specified diseases of stomach and duodenum
Disease of stomach and duodenum, unspecified
Gastric intestinal metaplasia
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Related MS-DRGs
2,929,629 Medicare hospitalizations across 5 DRGs for codes in K31
Top DRGs associated with codes in this category:
Official Guidelines
Chapter 11: Diseases of the Digestive System
Official coding guidelines for K00-K95