K31.0 — Acute dilatation of stomach
K31.0 is a billable, specific ICD-10-CM code for acute dilatation of stomach. It is valid for submission on a claim.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Acute distention of stomach
Risk adjustment
K31.0 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Medicare coverage
K31.0 is named in 3 Medicare coverage policies — 3 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56389Billing and Coding: Upper Gastrointestinal Endoscopy and Visualization
- A56421Billing and Coding: CT of the Abdomen and Pelvis
- A57063Billing and Coding: Diagnostic and Therapeutic Esophagogastroduodenoscopy
How K31.0 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to K31.0.
- Gastrectasis
- Disease, diseased›Bouchard's(myopathic dilatation of the stomach)
- Potain's›syndrome(gastrectasis with dyspepsia)
- Syndrome›Potain's
- Dilatation›stomach›acute
- Distension, distention›stomach›acute
- Obstruction, obstructed, obstructive›stomach NEC›acute
Related codes at this level
Codes that share K31. If K31.0 is not quite right, the correct code is usually one of these.
- K31.1Adult hypertrophic pyloric stenosis
- K31.2Hourglass stricture and stenosis of stomach
- K31.3Pylorospasm, not elsewhere classified
- K31.4Gastric diverticulum
- K31.5Obstruction of duodenum
- K31.6Fistula of stomach and duodenum
- K31.7Polyp of stomach and duodenum
- K31.8Other specified diseases of stomach and duodenum
- K31.9Disease of stomach and duodenum, unspecified
- K31.AGastric intestinal metaplasia
Questions about K31.0
- Is K31.0 a billable ICD-10-CM code?
- Yes. K31.0 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does K31.0 sit in the tabular list?
- Diseases of the digestive system (K00-K95), in the block Diseases of esophagus, stomach and duodenum (K20-K31).