K31.0 Acute dilatation of stomach

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applicable to

• Acute distention of stomach

Applies from K31 Other diseases of stomach and duodenum

Includes

• functional disorders of stomach

Excludes2 (not included here)

• diabetic gastroparesis (E08.43, E09.43, E10.43, E11.43, E13.43)
• diverticulum of duodenum (K57.00-K57.13)

MS-DRG index

Defines the logic of DRG(s) 391-392 in MDC 06.

Approximate ICD-9-CM (GEMs)

• 536.1 Acute dilatation of stomach

Code annotations containing back-references to K31.0

Back-references to K31

• Type 2 Excludes: K59 Other functional intestinal disorders ("functional disorders of stomach (K31.-)")

Diagnosis Index entries for K31.0

• Dilatation › stomach › acute
• Disease, diseased › Bouchard's (myopathic dilatation of the stomach)
• Distension, distention › stomach › acute
• Gastrectasis
• Obstruction, obstructed, obstructive › stomach NEC › acute
• Potain's › syndrome (gastrectasis with dyspepsia)
• Syndrome › Potain's

Nearby codes

• K31 Other diseases of stomach and duodenum
• K31.0 Acute dilatation of stomach (this code)
• 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