K31Non-billable (header)
Other diseases of stomach and duodenum
Related Codes· Diseases of esophagus, stomach and duodenum (K20-K31)
Sub-codes of K31(11)
K31 is a non-billable header. Select a sub-code to bill.
K31.0Acute dilatation of stomach✓ BillableK31.1Adult hypertrophic pyloric stenosis✓ BillableK31.2Hourglass stricture and stenosis of stomach✓ BillableK31.3Pylorospasm, not elsewhere classified✓ BillableK31.4Gastric diverticulum✓ BillableK31.5Obstruction of duodenum✓ BillableK31.6Fistula of stomach and duodenum✓ BillableK31.7Polyp of stomach and duodenum✓ BillableK31.8Other specified diseases of stomach and duodenumHeaderK31.9Disease of stomach and duodenum, unspecified✓ BillableK31.AGastric intestinal metaplasiaHeader
✓ Includes
- •functional disorders of stomach
⚠ Excludes 2(Not included here)
- •diabetic gastroparesis (E08.43, E09.43, E10.43, E11.43, E13.43)
- •diverticulum of duodenum (K57.00-K57.13)
Code Hierarchy
┌11Diseases of the digestive system (K00-K95)├K20-K31Diseases of esophagus, stomach and duodenum (K20-K31)├K31Other diseases of stomach and duodenum
└K31Other diseases of stomach and duodenum
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