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ICD-10 diagnosis code

K31.5 Obstruction of duodenum

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K31.5 is the ICD-10 code for Obstruction of 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 K31.5 includes

Conditions and terms that are coded here.

  • Constriction
    • of duodenum
  • Stenosis
    • of duodenum
  • Stricture
    • of duodenum
  • Duodenal ileus (chronic)

What K31.5 excludes

Conditions that look similar but belong under another code.

  • congenital stenosis of duodenum Q41.0

K31.5 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

SwedenICD-10-SE

K31.5Obstruktion av tolvfingertarmen

NorwayICD-10-NO

K31.5Obstruksjon av tolvfingertarm

DenmarkICD-10-DK

DK315Obstruktion af duodenum

  • DK315AStenose i duodenum
  • DK315BStriktur af duodenum
FinlandICD-10-FI

K31.5Pohjukaissuolen tukkeuma

GermanyICD-10-GM

K31.5Duodenalverschluss

FranceICD-10-FR

K31.5Obstruction du duodénum

NetherlandsICD-10-NL

K31.5obstructie van duodenum

United StatesICD-10-CM

K31.5Obstruction of 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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