Chapter XI

Diseases of the digestive system
(K00-K93)

Hernia
(K40-K46)

Note: Hernia with both gangrene and obstruction is classified to hernia with gangrene.
Includes: hernia:
· acquired
· congenital [except diaphragmatic or hiatus]
· recurrent

K40 Inguinal hernia
Includes: bubonocele
inguinal hernia:
· NOS
· direct
· double
· indirect
· oblique
scrotal hernia
K40.0 Bilateral inguinal hernia, with obstruction, without gangrene
K40.1 Bilateral inguinal hernia, with gangrene
K40.2 Bilateral inguinal hernia, without obstruction or gangrene
Bilateral inguinal hernia NOS
K40.3 Unilateral or unspecified inguinal hernia, with obstruction, without gangrene
Inguinal hernia (unilateral):
· causing obstruction
· incarcerated
· irreducible
· strangulated
}
}
}
}
without gangrene
K40.4 Unilateral or unspecified inguinal hernia, with gangrene
Inguinal hernia NOS with gangrene
K40.9 Unilateral or unspecified inguinal hernia, without obstruction or gangrene
Inguinal hernia (unilateral) NOS

K41 Femoral hernia
K41.0 Bilateral femoral hernia, with obstruction, without gangrene
K41.1 Bilateral femoral hernia, with gangrene
K41.2 Bilateral femoral hernia, without obstruction or gangrene
Bilateral femoral hernia NOS
K41.3 Unilateral or unspecified femoral hernia, with obstruction, without gangrene
Femoral hernia (unilateral):
· causing obstruction
· incarcerated
· irreducible
· strangulated
}
}
}
}
without gangrene
K41.4 Unilateral or unspecified femoral hernia, with gangrene
K41.9 Unilateral or unspecified femoral hernia, without obstruction or gangrene
Femoral hernia (unilateral) NOS

K42 Umbilical hernia
Includes: paraumbilical hernia
Excludes: omphalocele ( Q79.2 )
K42.0 Umbilical hernia with obstruction, without gangrene
Umbilical hernia:
· causing obstruction
· incarcerated
· irreducible
· strangulated
}
}
}
}
without gangrene
K42.1 Umbilical hernia with gangrene
Gangrenous umbilical hernia
K42.9 Umbilical hernia without obstruction or gangrene
Umbilical hernia NOS

K43 Ventral hernia
Includes: hernia:
· epigastric
· incisional
K43.0 Ventral hernia with obstruction, without gangrene
Ventral hernia:
· causing obstruction
· incarcerated
· irreducible
· strangulated
}
}
}
}
without gangrene
K43.1 Ventral hernia with gangrene
Gangrenous ventral hernia
K43.9 Ventral hernia without obstruction or gangrene
Ventral hernia NOS

K44 Diaphragmatic hernia
Includes: hiatus hernia (oesophageal)(sliding)
paraoesophageal hernia
Excludes: congenital hernia:
· diaphragmatic ( Q79.0 )
· hiatus ( Q40.1 )
K44.0 Diaphragmatic hernia with obstruction, without gangrene
Diaphragmatic hernia:
· causing obstruction
· incarcerated
· irreducible
· strangulated
}
}
}
}
without gangrene
K44.1 Diaphragmatic hernia with gangrene
Gangrenous diaphragmatic hernia
K44.9 Diaphragmatic hernia without obstruction or gangrene
Diaphragmatic hernia NOS

K45 Other abdominal hernia
Includes: hernia:
· abdominal, specified site NEC
· lumbar
· obturator
· pudendal
· retroperitoneal
· sciatic
K45.0 Other specified abdominal hernia with obstruction, without gangrene
Any condition listed under K45:
· causing obstruction
· incarcerated
· irreducible
· strangulated
}
}
}
}
without gangrene
K45.1 Other specified abdominal hernia with gangrene
Any condition listed under K45 specified as gangrenous
K45.8 Other specified abdominal hernia without obstruction or gangrene

K46 Unspecified abdominal hernia
Includes: enterocele
epiplocele
hernia:
· NOS
· interstitial
· intestinal
· intra-abdominal
Excludes: vaginal enterocele ( N81.5 )
K46.0 Unspecified abdominal hernia with obstruction, without gangrene
Any condition listed under K46:
· causing obstruction
· incarcerated
· irreducible
· strangulated
}
}
}
}
without gangrene
K46.1 Unspecified abdominal hernia with gangrene
Any condition listed under K46 specified as gangrenous
K46.9 Unspecified abdominal hernia without obstruction or gangrene
Abdominal hernia NOS