Hernia (K40-K46)

Hernia with both gangrene and obstruction is classified to hernia with gangrene.

K40Inguinal hernia
Includes: bubonocele
› direct inguinal hernia
› double inguinal hernia
› indirect inguinal hernia
› inguinal hernia NOS
› oblique inguinal hernia
› scrotal hernia

K40.0Bilateral inguinal hernia, with obstruction, without gangrene
› Inguinal hernia (bilateral) causing obstruction without gangrene
› Incarcerated inguinal hernia (bilateral) without gangrene
› Irreducible inguinal hernia (bilateral) without gangrene
› Strangulated inguinal hernia (bilateral) without gangrene

K40.00Bilateral inguinal hernia, with obstruction, without gangrene, not specified as recurrent
› Bilateral inguinal hernia, with obstruction, without gangrene NOS

K40.01Bilateral inguinal hernia, with obstruction, without gangrene, recurrent

K40.1Bilateral inguinal hernia, with gangrene

K40.10Bilateral inguinal hernia, with gangrene, not specified as recurrent
› Bilateral inguinal hernia, with gangrene NOS

K40.11Bilateral inguinal hernia, with gangrene, recurrent

K40.2Bilateral inguinal hernia, without obstruction or gangrene

K40.20Bilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent
› Bilateral inguinal hernia NOS

K40.21Bilateral inguinal hernia, without obstruction or gangrene, recurrent

K40.3Unilateral inguinal hernia, with obstruction, without gangrene
› Inguinal hernia (unilateral) causing obstruction without gangrene
› Incarcerated inguinal hernia (unilateral) without gangrene
› Irreducible inguinal hernia (unilateral) without gangrene
› Strangulated inguinal hernia (unilateral) without gangrene

K40.30Unilateral inguinal hernia, with obstruction, without gangrene, not specified as recurrent
› Inguinal hernia, with obstruction NOS
› Unilateral inguinal hernia, with obstruction, without gangrene NOS

K40.31Unilateral inguinal hernia, with obstruction, without gangrene, recurrent

K40.4Unilateral inguinal hernia, with gangrene

K40.40Unilateral inguinal hernia, with gangrene, not specified as recurrent
› Inguinal hernia with gangrene NOS
› Unilateral inguinal hernia with gangrene NOS

K40.41Unilateral inguinal hernia, with gangrene, recurrent

K40.9Unilateral inguinal hernia, without obstruction or gangrene

K40.90Unilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent
› Inguinal hernia NOS
› Unilateral inguinal hernia NOS

K40.91Unilateral inguinal hernia, without obstruction or gangrene, recurrent

K41Femoral hernia

K41.0Bilateral femoral hernia, with obstruction, without gangrene
› Femoral hernia (bilateral) causing obstruction, without gangrene
› Incarcerated femoral hernia (bilateral), without gangrene
› Irreducible femoral hernia (bilateral), without gangrene
› Strangulated femoral hernia (bilateral), without gangrene

K41.00Bilateral femoral hernia, with obstruction, without gangrene, not specified as recurrent
› Bilateral femoral hernia, with obstruction, without gangrene NOS

K41.01Bilateral femoral hernia, with obstruction, without gangrene, recurrent

K41.1Bilateral femoral hernia, with gangrene

K41.10Bilateral femoral hernia, with gangrene, not specified as recurrent
› Bilateral femoral hernia, with gangrene NOS

K41.11Bilateral femoral hernia, with gangrene, recurrent

K41.2Bilateral femoral hernia, without obstruction or gangrene

K41.20Bilateral femoral hernia, without obstruction or gangrene, not specified as recurrent
› Bilateral femoral hernia NOS

K41.21Bilateral femoral hernia, without obstruction or gangrene, recurrent

K41.3Unilateral femoral hernia, with obstruction, without gangrene
› Femoral hernia (unilateral) causing obstruction, without gangrene
› Incarcerated femoral hernia (unilateral), without gangrene
› Irreducible femoral hernia (unilateral), without gangrene
› Strangulated femoral hernia (unilateral), without gangrene

K41.30Unilateral femoral hernia, with obstruction, without gangrene, not specified as recurrent
› Femoral hernia, with obstruction NOS
› Unilateral femoral hernia, with obstruction NOS

K41.31Unilateral femoral hernia, with obstruction, without gangrene, recurrent

K41.4Unilateral femoral hernia, with gangrene

K41.40Unilateral femoral hernia, with gangrene, not specified as recurrent
› Femoral hernia, with gangrene NOS
› Unilateral femoral hernia, with gangrene NOS

K41.41Unilateral femoral hernia, with gangrene, recurrent

K41.9Unilateral femoral hernia, without obstruction or gangrene

K41.90Unilateral femoral hernia, without obstruction or gangrene, not specified as recurrent
› Femoral hernia NOS
› Unilateral femoral hernia NOS

K41.91Unilateral femoral hernia, without obstruction or gangrene, recurrent

K42Umbilical hernia
Includes: paraumbilical hernia
Excludes 1: omphalocele (Q79.2)

K42.0Umbilical hernia with obstruction, without gangrene
› Umbilical hernia causing obstruction, without gangrene
› Incarcerated umbilical hernia, without gangrene
› Irreducible umbilical hernia, without gangrene
› Strangulated umbilical hernia, without gangrene

K42.1Umbilical hernia with gangrene
› Gangrenous umbilical hernia

K42.9Umbilical hernia without obstruction or gangrene
› Umbilical hernia NOS

K43Ventral hernia

K43.0Incisional hernia with obstruction, without gangrene
› Incisional hernia causing obstruction, without gangrene
› Incarcerated incisional hernia, without gangrene
› Irreducible incisional hernia, without gangrene
› Strangulated incisional hernia, without gangrene

K43.1Incisional hernia with gangrene
› Gangrenous incisional hernia

K43.2Incisional hernia without obstruction or gangrene
› Incisional hernia NOS

K43.3Parastomal hernia with obstruction, without gangrene
› Incarcerated parastomal hernia, without gangrene
› Irreducible parastomal hernia, without gangrene
› Parastomal hernia causing obstruction, without gangrene
› Strangulated parastomal hernia, without gangrene

K43.4Parastomal hernia with gangrene
› Gangrenous parastomal hernia

K43.5Parastomal hernia without obstruction or gangrene
› Parastomal hernia NOS

K43.6Other and unspecified ventral hernia with obstruction, without gangrene
› Epigastric hernia causing obstruction, without gangrene
› Hypogastric hernia causing obstruction, without gangrene
› Incarcerated epigastric hernia without gangrene
› Incarcerated hypogastric hernia without gangrene
› Incarcerated midline hernia without gangrene
› Incarcerated spigelian hernia without gangrene
› Incarcerated subxiphoid hernia without gangrene
› Irreducible epigastric hernia without gangrene
› Irreducible hypogastric hernia without gangrene
› Irreducible midline hernia without gangrene
› Irreducible spigelian hernia without gangrene
› Irreducible subxiphoid hernia without gangrene
› Midline hernia causing obstruction, without gangrene
› Spigelian hernia causing obstruction, without gangrene
› Strangulated epigastric hernia without gangrene
› Strangulated hypogastric hernia without gangrene
› Strangulated midline hernia without gangrene
› Strangulated spigelian hernia without gangrene
› Strangulated subxiphoid hernia without gangrene
› Subxiphoid hernia causing obstruction, without gangrene

K43.7Other and unspecified ventral hernia with gangrene
› Any condition listed under K43.6 specified as gangrenous

K43.9Ventral hernia without obstruction or gangrene
› Epigastric hernia
› Ventral hernia NOS

K44Diaphragmatic hernia
Includes: hiatus hernia (esophageal) (sliding)
› paraesophageal hernia
Excludes 1: congenital diaphragmatic hernia (Q79.0)
› congenital hiatus hernia (Q40.1)

K44.0Diaphragmatic hernia with obstruction, without gangrene
› Diaphragmatic hernia causing obstruction
› Incarcerated diaphragmatic hernia
› Irreducible diaphragmatic hernia
› Strangulated diaphragmatic hernia

K44.1Diaphragmatic hernia with gangrene
› Gangrenous diaphragmatic hernia

K44.9Diaphragmatic hernia without obstruction or gangrene
› Diaphragmatic hernia NOS

K45Other abdominal hernia
Includes: abdominal hernia, specified site NEC
› lumbar hernia
› obturator hernia
› pudendal hernia
› retroperitoneal hernia
› sciatic hernia

K45.0Other specified abdominal hernia with obstruction, without gangrene
› Other specified abdominal hernia causing obstruction
› Other specified incarcerated abdominal hernia
› Other specified irreducible abdominal hernia
› Other specified strangulated abdominal hernia

K45.1Other specified abdominal hernia with gangrene
› Any condition listed under K45 specified as gangrenous

K45.8Other specified abdominal hernia without obstruction or gangrene

K46Unspecified abdominal hernia
Includes: enterocele
› epiplocele
› hernia NOS
› interstitial hernia
› intestinal hernia
› intra-abdominal hernia
Excludes 1: vaginal enterocele (N81.5)

K46.0Unspecified abdominal hernia with obstruction, without gangrene
› Unspecified abdominal hernia causing obstruction
› Unspecified incarcerated abdominal hernia
› Unspecified irreducible abdominal hernia
› Unspecified strangulated abdominal hernia

K46.1Unspecified abdominal hernia with gangrene
› Any condition listed under K46 specified as gangrenous

K46.9Unspecified abdominal hernia without obstruction or gangrene
› Abdominal hernia NOS