K40.4
Unilateral inguinal hernia, with gangrene
Non-billable headerNot valid on its own. Use one of the more specific codes under it.
K40.4 is a non-billable ICD-10-CM code header for unilateral inguinal hernia, with gangrene. 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 K40.40 Unilateral inguinal hernia, with gangrene, not specified as recurrent and K40.41 Unilateral inguinal hernia, with gangrene, recurrent. 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.
Inherited from K40 Inguinal hernia
- 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.