Is K31.811 a billable ICD-10-CM code?

Yes. K31.811 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does K31.811 sit in the tabular list?

Diseases of the digestive system (K00-K95), in the block Diseases of esophagus, stomach and duodenum (K20-K31).

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.

Other codes that can never be billed with K31.811

These codes carry an Excludes1 note pointing at K31.811. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading K31.811 alone.

K92.2Gastrointestinal hemorrhage, unspecified

Risk adjustment

K31.811 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

K31.811 is named in 6 Medicare coverage policies — 6 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

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

How K31.811 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 K31.811.

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

Related codes at this level

Codes that share K31.81. If K31.811 is not quite right, the correct code is usually one of these.

K31.819Angiodysplasia of stomach and duodenum without bleeding

Questions about K31.811

Is K31.811 a billable ICD-10-CM code?: Yes. K31.811 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does K31.811 sit in the tabular list?: Diseases of the digestive system (K00-K95), in the block Diseases of esophagus, stomach and duodenum (K20-K31).