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

ICD-10-CM 2027 diagnosis code · Hernia

Billable code

ICD-10-CM code K40.40
Code
K40.40 (claims format: K4040)
Description
Unilateral inguinal hernia, with gangrene, not specified as recurrent
Short description
Unil inguinal hernia, w gangrene, not specified as recurrent
Billable
Yes – valid for HIPAA-covered transactions
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
11. Diseases of the digestive system (K00-K95)
Block
K40-K46 Hernia
Parent codes
K40 › K40.4

Notes for K40.40

Applicable to:
  • Inguinal hernia with gangrene NOS
  • Unilateral inguinal hernia with gangrene NOS

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

K40 – Inguinal hernia

Includes:
  • bubonocele
  • direct inguinal hernia
  • double inguinal hernia
  • indirect inguinal hernia
  • inguinal hernia NOS
  • oblique inguinal hernia
  • scrotal hernia

Block K40-K46

Includes:
  • acquired hernia
  • congenital [except diaphragmatic or hiatus] hernia
  • recurrent hernia
Notes:
  • Hernia with both gangrene and obstruction is classified to hernia with gangrene.

Index terms for K40.40

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in K40.4

Frequently asked questions

What is ICD-10 code K40.40?

K40.40 is the ICD-10-CM code for unilateral inguinal hernia, with gangrene, not specified as recurrent, in the block K40-K46 (Hernia).

Is K40.40 a billable code?

Yes. K40.40 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does K40.40 belong to?

It belongs to category K40 – Inguinal hernia.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.