Is K40.9 a billable code?
No. K40.9 is a header code that groups 2 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
K40.9: Unilateral inguinal hernia, without obstruction or gangrene
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
K40.9 groups related diagnoses under unilateral inguinal hernia, without obstruction or gangrene. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under K40.9
- K40.90Unilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent
- K40.91Unilateral inguinal hernia, without obstruction or gangrene, recurrent
Other codes in K40 Inguinal hernia
- K40.0Bilateral inguinal hernia, with obstruction, without gangreneheader
- K40.1Bilateral inguinal hernia, with gangreneheader
- K40.2Bilateral inguinal hernia, without obstruction or gangreneheader
- K40.3Unilateral inguinal hernia, with obstruction, without gangreneheader
- K40.4Unilateral inguinal hernia, with gangreneheader
K40.9 questions
What does K40.9 mean?
K40.9 is the ICD-10-CM code for Unilateral inguinal hernia, without obstruction or gangrene. 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.