DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

K46 Unspecified abdominal hernia

  • Header · not billable

K46 is not billable. The category heads 3 billable codes in FY2027: the 3 codes directly below it.

Index → code

  • Hernia, hernial (acquired) (recurrent) → K46.9
  • Incarceration, incarceratedenterocele → K46.0
  • Incarceration, incarceratedepiplocele → K46.0

Where it sits

  1. Chapter 11 Diseases of the digestive system (K00-K95)
  2. K40-K46 Hernia (K40-K46)
  3. K46 Unspecified abdominal hernia
Billable codes
3
Subdivisions
3
CC / MCC codes
1 / 1
HCC V28 codes
0
New FY2027
0
Index entries
10

Codes in K46

  1. K46.0
    Unspecified abdominal hernia with obstruction, without gangrene
    BillableCC
    Inclusion terms 4

    Inclusion terms

    • Unspecified abdominal hernia causing obstruction
    • Unspecified incarcerated abdominal hernia
    • Unspecified irreducible abdominal hernia
    • Unspecified strangulated abdominal hernia
  2. K46.1
    Unspecified abdominal hernia with gangrene
    BillableMCC
    Inclusion terms 1

    Inclusion terms

    • Any condition listed under K46 specified as gangrenous K46
  3. K46.9
    Unspecified abdominal hernia without obstruction or gangrene
    Billable
    Inclusion terms 1

    Inclusion terms

    • Abdominal hernia NOS

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

Sources of each column.

Instructions

At K46

Includes

  • enterocele
  • epiplocele
  • hernia NOS
  • interstitial hernia
  • intestinal hernia
  • intra-abdominal hernia

Excludes1

  • vaginal enterocele (N81.5) N81.5

Notes that also apply

Block K40-K46 instructions (Notes 1, Includes 3): printed on the block page.

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

Index entries

  • Hernia, hernial (acquired) (recurrent) → K46.9
  • Incarceration, incarceratedenterocele → K46.0
  • Incarceration, incarceratedepiplocele → K46.0
  • Incarceration, incarceratedsarcoepiplocele → K46.0
  • Hernia, hernial (acquired) (recurrent)abdomen, abdominal → K46.9
  • Incarceration, incarceratedenterocelegangrenous → K46.1
  • Incarceration, incarceratedepiplocelegangrenous → K46.1
  • Incarceration, incarceratedsarcoepiplocelegangrenous → K46.1
  • Hernia, hernial (acquired) (recurrent)abdomen, abdominalwithobstruction → K46.0
  • Hernia, hernial (acquired) (recurrent)abdomen, abdominalwithgangrene (and obstruction) → K46.1

NCHS Alphabetic Index. Index first, then the Tabular List.

Hierarchy