K31.6

Billable

Fistula of stomach and duodenum

K31.6 is the ICD-10-CM code for Fistula of stomach and duodenum. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
K00-K95
Parent
K31
Edition
FY2026

K00-K95 Diseases of the digestive system

Includes

  • Gastrocolic fistula
  • Gastrojejunocolic fistula

Notes

  • , if applicable, disruption of internal operation (surgical) wound (T81.32-)

Frequently asked questions

What is ICD-10 code K31.6?
K31.6 is the ICD-10-CM code for "Fistula of stomach and duodenum". It falls under K00-K95 Diseases of the digestive system.
Is K31.6 a billable code?
Yes — K31.6 is a billable, specific ICD-10-CM code valid for reimbursement.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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