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K31.811

K31.811: Angiodysplasia of stomach and duodenum with bleeding

Billable / specific codeICD-10-CM

K31.811 is a billable, specific ICD-10-CM code for angiodysplasia of stomach and duodenum with bleeding. It is valid for submission on a claim.

Check K31.811 with the rest of the claim: free scrubber

Excludes2 inherited from the categories above K31.811

Not part of this code, but both may be coded when both are present.

Written on K31: Other diseases of stomach and duodenum

Other codes that can never be billed with K31.811

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • K92.2Gastrointestinal hemorrhage, unspecified

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

K31.811 is named in 6 Medicare coverage policies: 6 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A52370Billing and Coding: Bevacizumab and biosimilars
  • A56389Billing and Coding: Upper Gastrointestinal Endoscopy and Visualization
  • A56421Billing and Coding: CT of the Abdomen and Pelvis
  • A57063Billing and Coding: Diagnostic and Therapeutic Esophagogastroduodenoscopy

Alphabetic index entries that lead here

  • Watermelon stomach›with hemorrhage
  • Angiodysplasia›duodenum›with bleeding
  • Angiodysplasia›stomach›with bleeding
  • Ectasia, ectasis›gastric antral vascular›with hemorrhage

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under K31.81

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.