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ICD-10 diagnosis code

K40.9 Unilateral or unspecified inguinal hernia, without obstruction or gangrene

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K40.9 is the ICD-10 code for Unilateral or unspecified inguinal hernia, without obstruction or gangrene. It is a four-character subcategory of K40 (Inguinal hernia), the most specific level in the WHO edition. It belongs to the block K40–K46 (Hernia) in Chapter XI, Diseases of the digestive system.

Code type
Subcategory (4 characters)
Chapter
XI · K00–K93
Classification
WHO ICD-10, 2019 version

What K40.9 includes

Conditions and terms that are coded here.

  • Inguinal hernia (unilateral) NOS

K40.9 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

K40.9Ensidigt eller ospecificerat ljumskbråck utan inklämning eller gangrän

  • K40.9AEnsidigt eller ospecificerat ljumskbråck utan inklämning eller gangrän, primärbråck
  • K40.9BEnsidigt eller ospecificerat ljumskbråck utan inklämning eller gangrän, recidivbråck
NorwayICD-10-NO

K40.9Enkeltsidig eller uspesifisert lyskebrokk uten obstruksjon eller gangren

  • K40.90Primært enkeltsidig eller uspesifisert lyskebrokk uten obstruksjon eller gangren
  • K40.91Residiverende enkeltsidig eller uspesifisert lyskebrokk uten obstruksjon eller gangren
DenmarkICD-10-DK

DK409Ingvinalhernie UNS uden ileus eller gangræn

FinlandICD-10-FI

K40.9Toispuolinen tai määrittämätön nivustyrä ilman kureutumista tai kuoliota

GermanyICD-10-GM

K40.9Hernia inguinalis, einseitig oder ohne Seitenangabe, ohne Einklemmung und ohne Gangrän

FranceICD-10-FR

K40.9Hernie inguinale, unilatérale ou sans précision, sans occlusion ni gangrène

NetherlandsICD-10-NL

K40.9enkelzijdige of niet-gespecificeerde hernia inguinalis, zonder obstructie of

United StatesICD-10-CM

Listed through more specific codes:

  • K40.90Unilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent
  • K40.91Unilateral inguinal hernia, without obstruction or gangrene, recurrent

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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