AutoICD API

K31.6

Billable

Fistula of stomach and duodenum

Fistula of stomach and duodenum

Status

Billable / Specific

Block

K20-K31

Parent Code

K31

ICD-11 Mapping

1 equivalent

Coding Notes

Related Codes(10)
ICD-11 Equivalents(1)

ICD-11 Equivalents

View full mapping

Corresponding ICD-11 codes from the WHO crosswalk mapping

Also Known As / Clinical Terms(98)

Clinical Terms

  • Gastrojejunal fistula
  • Pyeloduodenal fistula
  • External gastrointestinal fistula
  • Gastrojejunocolic fistula
  • Enterocutaneous fistula
  • Duodenocutaneous fistula
  • Duodenorenal fistula
  • Enteric cutaneous fistula
  • Gastrocolic fistula
  • GF - Gastric fistula
  • Gastrointestinal fistula
  • Gastrocolic fistula (disorder)
  • Coloenteric fistula
  • Gastroduodenal fistula
  • Duodenocolic fistula
  • Acquired gastric fistula
  • DF - Duodenal fistula
  • Internal duodenal fistula
  • Internal gastric fistula
  • Gastroenteric fistula
  • Internal gastrointestinal fistula
  • Jejunal fistula
  • Duodenoaortic fistula
  • Low-output external gastrointestinal fistula
  • Enteroenteric fistula
  • Gastrojejunocolic fistula (disorder)
  • Oesophagoenteric fistula
  • Aortoduodenal fistula
  • External gastric fistula
  • High-output external gastrointestinal fistula
  • Duodenal stump fistula
  • Duodenoenteric fistula
  • Aortoenteric fistula
  • External duodenal fistula
  • Enterocolonic fistula
  • Enterocolic fistula
  • Gastroduodenal disorder
  • Aortointestinal fistula
  • Gastric fistula
  • Esophagoenteric fistula
  • Fistula of stomach
  • External small bowel fistula
  • Gastrocutaneous fistula
  • Esophago-enteric fistula
  • Gastroduodenal fistula (disorder)
  • Duodenal fistula
  • Aortic fistula
Frequently Asked Questions
What is the ICD-10 code for fistula of stomach and duodenum?

The ICD-10-CM code for fistula of stomach and duodenum is K31.6. The full clinical description is "Fistula of stomach and duodenum". K31.6 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code K31.6 mean?

ICD-10-CM code K31.6 represents “Fistula of stomach and duodenum”. It is classified under Chapter 11: Diseases of the Digestive System and is a billable/specific code that can be used on a claim.

Is K31.6 a billable code?

Yes, K31.6 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is K31.6 in?

K31.6 is in Chapter 11: Diseases of the Digestive System (codes K00-K95).

What SNOMED CT codes does K31.6 map to?

K31.6 maps to 30 SNOMED CT concepts: 717858004, 128551005, 9058002, 59047005, 111356006, and 25 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for K31.6?

K31.6 is linked to 3 UMLS Concept Unique Identifiers: C0267180, C0267179, C0267181. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

How does K31.6 relate to ICF functioning codes?

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like fistula of stomach and duodenum affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.

What is the ICD-11 equivalent of K31.6?

K31.6 maps to the ICD-11 code: DA7Z (Diseases of the stomach or the duodenum, unspecified).

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.