K40 is the ICD-10 code for Inguinal hernia. It is a three-character category divided into 6 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block K40–K46 (Hernia) in Chapter XI, Diseases of the digestive system.
- Code type
- Category (3 characters)
- Chapter
- XI · K00–K93
- Classification
- WHO ICD-10, 2019 version
What K40 includes
Conditions and terms that are coded here.
- bubonocele
- inguinal hernia:
- NOS
- direct
- double
- indirect
- oblique
- scrotal hernia
Subcodes of K40
- K40.0Bilateral inguinal hernia, with obstruction, without gangrene
- K40.1Bilateral inguinal hernia, with gangrene
- K40.2Bilateral inguinal hernia, without obstruction or gangrene
- K40.3Unilateral or unspecified inguinal hernia, with obstruction, without gangrene
- K40.4Unilateral or unspecified inguinal hernia, with gangrene
- K40.9Unilateral or unspecified inguinal hernia, without obstruction or gangrene
K40 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
K40Ljumskbråck
DK40Lyskebrok
K40Nivustyrä
K40Hernia inguinalis
K40Hernie inguinale
K40hernia inguinalis
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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