Current
K31 — Other diseases of stomach and duodenum
Part of Chapter 11: Diseases of the digestive system , block Diseases of esophagus, stomach and duodenum (K20-K31) .
Official Notes
Child Codes
- K31.0 Acute dilatation of stomach Billable
- K31.1 Adult hypertrophic pyloric stenosis Billable
- K31.B Hypertrophic pyloric stenosis, in childhood Billable
- K31.2 Hourglass stricture and stenosis of stomach Billable
- K31.3 Pylorospasm, not elsewhere classified Billable
- K31.4 Gastric diverticulum Billable
- K31.5 Obstruction of duodenum Billable
- K31.6 Fistula of stomach and duodenum Billable
- K31.7 Polyp of stomach and duodenum Billable
- K31.8 Other specified diseases of stomach and duodenum Has subcodes
- K31.9 Disease of stomach and duodenum, unspecified Billable
- K31.A Gastric intestinal metaplasia Has subcodes
Referenced By
Official notes on these codes cite K31.
FY 2027 effective October 1, 2026 · CDC NCHS and CMS