Section K40-K46Hernia

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

Includes:

  • acquired hernia
  • congenital [except diaphragmatic or hiatus] hernia
  • recurrent hernia
  1. K40 Inguinal hernia

    Includes:

    • bubonocele
    • direct inguinal hernia
    • double inguinal hernia
    • indirect inguinal hernia
    • inguinal hernia NOS
    • oblique inguinal hernia
    • scrotal hernia
    1. K40.0 Bilateral inguinal hernia, with obstruction, without gangrene

      Inclusion term(s):

      • 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
      1. K40.00 Bilateral inguinal hernia, with obstruction, without gangrene, not specified as recurrent

        Inclusion term(s):

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

    2. K40.1 Bilateral inguinal hernia, with gangrene

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

        Inclusion term(s):

        • Bilateral inguinal hernia, with gangrene NOS
      2. K40.11 Bilateral inguinal hernia, with gangrene, recurrent

    3. K40.2 Bilateral inguinal hernia, without obstruction or gangrene

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

        Inclusion term(s):

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

    4. K40.3 Unilateral inguinal hernia, with obstruction, without gangrene

      Inclusion term(s):

      • 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
      1. K40.30 Unilateral inguinal hernia, with obstruction, without gangrene, not specified as recurrent

        Inclusion term(s):

        • Inguinal hernia, with obstruction NOS
        • Unilateral inguinal hernia, with obstruction, without gangrene NOS
      2. K40.31 Unilateral inguinal hernia, with obstruction, without gangrene, recurrent

    5. K40.4 Unilateral inguinal hernia, with gangrene

      1. K40.40 Unilateral inguinal hernia, with gangrene, not specified as recurrent

        Inclusion term(s):

        • Inguinal hernia with gangrene NOS
        • Unilateral inguinal hernia with gangrene NOS
      2. K40.41 Unilateral inguinal hernia, with gangrene, recurrent

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

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

        Inclusion term(s):

        • Inguinal hernia NOS
        • Unilateral inguinal hernia NOS
      2. K40.91 Unilateral inguinal hernia, without obstruction or gangrene, recurrent

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.