Is K40 a billable code?
No. K40 is a header code that groups 12 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
K40: Inguinal hernia
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
K40 groups related diagnoses under inguinal hernia. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under K40
- K40.00Bilateral inguinal hernia, with obstruction, without gangrene, not specified as recurrent
- K40.01Bilateral inguinal hernia, with obstruction, without gangrene, recurrent
- K40.10Bilateral inguinal hernia, with gangrene, not specified as recurrent
- K40.11Bilateral inguinal hernia, with gangrene, recurrent
- K40.20Bilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent
- K40.21Bilateral inguinal hernia, without obstruction or gangrene, recurrent
- K40.30Unilateral inguinal hernia, with obstruction, without gangrene, not specified as recurrent
- K40.31Unilateral inguinal hernia, with obstruction, without gangrene, recurrent
- K40.40Unilateral inguinal hernia, with gangrene, not specified as recurrent
- K40.41Unilateral inguinal hernia, with gangrene, recurrent
- K40.90Unilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent
- K40.91Unilateral inguinal hernia, without obstruction or gangrene, recurrent
K40 questions
What does K40 mean?
K40 is the ICD-10-CM code for Inguinal hernia. It is in chapter 11, Diseases of the digestive system (K00-K95).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.