K31.6 is the ICD-10 code for Fistula of stomach and duodenum. It is a four-character subcategory of K31 (Other diseases of stomach and duodenum), the most specific level in the WHO edition. It belongs to the block K20–K31 (Diseases of oesophagus, stomach and duodenum) in Chapter XI, Diseases of the digestive system.
- Code type
- Subcategory (4 characters)
- Chapter
- XI · K00–K93
- Classification
- WHO ICD-10, 2019 version
What K31.6 includes
Conditions and terms that are coded here.
- Gastrocolic fistula
- Gastrojejunocolic fistula
K31.6 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
K31.6Fistel i magesekk eller tolvfingertarm
DK316Fistel fra mavesækken eller duodenum
- DK316AFistel fra mavesækken UNS
- DK316BGastrojejunal fistel
- DK316CFistel fra duodenum
- DK316DGastrokolisk fistel
- DK316EGastrointestinal fistel
K31.6Mahalaukun ja/tai pohjukaissuolen fisteli
K31.6Fistel des Magens und des Duodenums
K31.6Fistule de l'estomac et du duodénum
K31.6fistel van maag en duodenum
K31.6Fistula of stomach and duodenum
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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