DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Block · Chapter 11

K40-K46 Hernia (K40-K46)

Block K40-K46 groups 7 categories with 45 billable codes in FY2027.

Where it sits

  1. Chapter 11 Diseases of the digestive system (K00-K95)
  2. K40-K46 Hernia (K40-K46)

Neighbouring blocks

Categories
7
Billable codes
45
CC codes
15
MCC codes
15
HCC V28 codes
0
New FY2027
0

Categories in K40-K46

  • K40

    Inguinal hernia

    Hernia, hernial (acquired) (recurrent)inguinal (direct) (external) (funicular) (indirect) (internal) (oblique) (scrotal) (sliding) → K40.90

    • 12 billable codes
    • 4 CC
    • 4 MCC
  • K41

    Femoral hernia

    Hernia, hernial (acquired) (recurrent)femoral → K41.90

    • 12 billable codes
    • 4 CC
    • 4 MCC
  • K42

    Umbilical hernia

    Incarceration, incarceratedexomphalos → K42.0

    • 3 billable codes
    • 1 CC
    • 1 MCC
  • K43

    Ventral hernia

    Incision, incisionalhernia → K43.2

    • 9 billable codes
    • 3 CC
    • 3 MCC
  • K44

    Diaphragmatic hernia

    Hernia, hernial (acquired) (recurrent)diaphragm, diaphragmatic → K44.9

    • 3 billable codes
    • 1 CC
    • 1 MCC
  • K45

    Other abdominal hernia

    Hernia, hernial (acquired) (recurrent)abdomen, abdominalspecified site NEC → K45.8

    • 3 billable codes
    • 1 CC
    • 1 MCC
  • K46

    Unspecified abdominal hernia

    Hernia, hernial (acquired) (recurrent) → K46.9

    • 3 billable codes
    • 1 CC
    • 1 MCC

Index main terms

  • Hernia, hernial (acquired) (recurrent) → K40, K41, K42, K43, K44, K45, K46 (86 entries)
  • Incarceration, incarcerated → K42, K46 (11 entries)
  • Incision, incisional → K43 (3 entries)

Block instructions

Notes

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

Includes

  • acquired hernia
  • congenital [except diaphragmatic or hiatus] hernia
  • recurrent hernia

Notes that also apply

Chapter 11 instructions (Excludes2 8): printed on the chapter 11 page.