Alphabetic Index FY2027

K40

Inguinal hernia

FY2027Chapter 11: Diseases of the digestive system/K40–K46 Hernia

Non-billable headerNot valid on its own. Use one of the more specific codes under it.

K40 is a non-billable ICD-10-CM code category for inguinal hernia. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are 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; K40.3 Unilateral inguinal hernia, with obstruction, without gangrene and 2 more. Its coding notes include 8 Excludes2 entries.

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Also from chapter/block level (8 notes)
Inherited from Chapter 11 Diseases of the digestive system
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Includes

Further defines or gives examples of the content of the category.

This code
  • bubonocele
  • direct inguinal hernia
  • double inguinal hernia
  • indirect inguinal hernia
  • inguinal hernia NOS
  • oblique inguinal hernia
  • scrotal hernia
Also from chapter/block level (3 notes)
Inherited from K40–K46 Hernia
  • acquired hernia
  • congenital [except diaphragmatic or hiatus] hernia
  • recurrent hernia

Notes

Also from chapter/block level (1 note)
Inherited from K40–K46 Hernia
  • Hernia with both gangrene and obstruction is classified to hernia with gangrene.

More specific codes under K40 6