K31.81 – Angiodysplasia of stomach and duodenum

ICD-10-CM 2027 diagnosis code · Diseases of esophagus, stomach and duodenum

Non-billable header

ICD-10-CM code K31.81
Code
K31.81 (claims format: K3181)
Description
Angiodysplasia of stomach and duodenum
Billable
No – use a more specific code below
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
11. Diseases of the digestive system (K00-K95)
Block
K20-K31 Diseases of esophagus, stomach and duodenum
Parent codes
K31 › K31.8

Billable codes under K31.81

K31.81 is a header code and cannot be used on claims. Choose the most specific code:

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

K31 – Other diseases of stomach and duodenum

Includes:
  • functional disorders of stomach
Excludes2 (not included here):

Block K20-K31

Excludes2 (not included here):
  • hiatus hernia (K44.-)

Related codes in K31.8

Frequently asked questions

What is ICD-10 code K31.81?

K31.81 is the ICD-10-CM code for angiodysplasia of stomach and duodenum, in the block K20-K31 (Diseases of esophagus, stomach and duodenum).

Is K31.81 a billable code?

No. K31.81 is a header code with more specific child codes; report one of the billable codes listed above.

What category does K31.81 belong to?

It belongs to category K31 – Other diseases of stomach and duodenum.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.